Clinical experiences with different valve systems in patients with normal-pressure hydrocephalus: evaluation of the Miethke dual-switch valve

Heading Abstract Objective. In patients with normal-pressure hydrocephalus (NPH) and beginning brain atrophy the conventional differential pressure valve bears the disadvantage of opening abruptly when the patient moves into an upright position. In this way severe suction on the already atrophic bra...
Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Meier, Ullrich [verfasserIn] Kintzel, Dieter [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2002

Übergeordnetes Werk:	Enthalten in: Child's nervous system - Berlin : Springer, 1985, 18(2002), 6-7 vom: 15. Mai, Seite 288-294
Übergeordnetes Werk:	volume:18 ; year:2002 ; number:6-7 ; day:15 ; month:05 ; pages:288-294

Links:	Volltext

DOI / URN:	10.1007/s00381-002-0577-0

Katalog-ID:	SPR004573730

Internformat


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024	7		\|a 10.1007/s00381-002-0577-0 \|2 doi
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100	1		\|a Meier, Ullrich \|e verfasserin \|4 aut
245	1	0	\|a Clinical experiences with different valve systems in patients with normal-pressure hydrocephalus: evaluation of the Miethke dual-switch valve
264		1	\|c 2002
336			\|a Text \|b txt \|2 rdacontent
337			\|a Computermedien \|b c \|2 rdamedia
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520			\|a Heading Abstract Objective. In patients with normal-pressure hydrocephalus (NPH) and beginning brain atrophy the conventional differential pressure valve bears the disadvantage of opening abruptly when the patient moves into an upright position. In this way severe suction on the already atrophic brain could be induced. We wished to find whether this disadvantage, and especially the complication of the overdrainage, could be reduced or solved by a hydrostatic valve? Methods. In 115 patients diagnosed with NPH we implanted 36 Cordis standard valves (CSV), 19 Cordis-Orbis-Sigma valves type I (OSV), and 60 Miethke Dual-Switch valves (M-DSV). The patients were re-evaluated 7 months after surgical treatment. NPH was diagnosed from the clinical symptoms, the results of the CAT scan or MRI scan, the intrathecal infusion test, and the patients' recovery after a CSF tap test. Results. The clinical follow-up showed significantly better results for patients with an implanted M-DSV valve than in patients with a conventional differential pressure valve. We found clear differences in the incidences of overdrainage and subdural hematoma: 2 patients (6%) with a CSV, 3 patients (16%) with an OSV and 1 (2%) with a M-DSV exhibited clinical signs of overdrainage. Three patients (16%) with the OSV later developed subdural hematomas, for which neurosurgical treatment was necessary. One of these 3 patients (5%) died of an intraventricular hemorrhage. One patient with a CSV (3%) and 1 with a M-DSV (2%) had to be operated on a subdural hematoma. Conclusion. The clinical course in patients with NPH is influenced by the stage of the disease, the beginning of therapy and the implanted valve type. Although little clinical experience is so far available with the M-DSV, we have to underline the advantages of this valve for patients with NPH.
700	1		\|a Kintzel, Dieter \|e verfasserin \|4 aut
773	0	8	\|i Enthalten in \|t Child's nervous system \|d Berlin : Springer, 1985 \|g 18(2002), 6-7 vom: 15. Mai, Seite 288-294 \|w (DE-627)254639054 \|w (DE-600)1463024-2 \|x 1433-0350 \|7 nnns
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912			\|a GBV_ILN_2014
912			\|a GBV_ILN_2015
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936	b	k	\|a 44.90 \|q ASE
936	b	k	\|a 44.67 \|q ASE
951			\|a AR
952			\|d 18 \|j 2002 \|e 6-7 \|b 15 \|c 05 \|h 288-294

Indexfelder

author_variant	u m um d k dk
matchkey_str	article:14330350:2002----::lnclxeinewtdfeetavssesnainsihomlrsueyrcpaueau
hierarchy_sort_str	2002
bklnumber	44.90 44.67
publishDate	2002
allfields	10.1007/s00381-002-0577-0 doi (DE-627)SPR004573730 (SPR)s00381-002-0577-0-e DE-627 ger DE-627 rakwb eng 610 ASE 44.90 bkl 44.67 bkl Meier, Ullrich verfasserin aut Clinical experiences with different valve systems in patients with normal-pressure hydrocephalus: evaluation of the Miethke dual-switch valve 2002 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Heading Abstract Objective. In patients with normal-pressure hydrocephalus (NPH) and beginning brain atrophy the conventional differential pressure valve bears the disadvantage of opening abruptly when the patient moves into an upright position. In this way severe suction on the already atrophic brain could be induced. We wished to find whether this disadvantage, and especially the complication of the overdrainage, could be reduced or solved by a hydrostatic valve? Methods. In 115 patients diagnosed with NPH we implanted 36 Cordis standard valves (CSV), 19 Cordis-Orbis-Sigma valves type I (OSV), and 60 Miethke Dual-Switch valves (M-DSV). The patients were re-evaluated 7 months after surgical treatment. NPH was diagnosed from the clinical symptoms, the results of the CAT scan or MRI scan, the intrathecal infusion test, and the patients' recovery after a CSF tap test. Results. The clinical follow-up showed significantly better results for patients with an implanted M-DSV valve than in patients with a conventional differential pressure valve. We found clear differences in the incidences of overdrainage and subdural hematoma: 2 patients (6%) with a CSV, 3 patients (16%) with an OSV and 1 (2%) with a M-DSV exhibited clinical signs of overdrainage. Three patients (16%) with the OSV later developed subdural hematomas, for which neurosurgical treatment was necessary. One of these 3 patients (5%) died of an intraventricular hemorrhage. One patient with a CSV (3%) and 1 with a M-DSV (2%) had to be operated on a subdural hematoma. Conclusion. The clinical course in patients with NPH is influenced by the stage of the disease, the beginning of therapy and the implanted valve type. Although little clinical experience is so far available with the M-DSV, we have to underline the advantages of this valve for patients with NPH. Kintzel, Dieter verfasserin aut Enthalten in Child's nervous system Berlin : Springer, 1985 18(2002), 6-7 vom: 15. Mai, Seite 288-294 (DE-627)254639054 (DE-600)1463024-2 1433-0350 nnns volume:18 year:2002 number:6-7 day:15 month:05 pages:288-294 https://dx.doi.org/10.1007/s00381-002-0577-0 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_121 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_374 GBV_ILN_602 GBV_ILN_636 GBV_ILN_647 GBV_ILN_702 GBV_ILN_711 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2043 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2158 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2193 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2400 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_2808 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4277 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4346 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 GBV_ILN_4753 44.90 ASE 44.67 ASE AR 18 2002 6-7 15 05 288-294
spelling	10.1007/s00381-002-0577-0 doi (DE-627)SPR004573730 (SPR)s00381-002-0577-0-e DE-627 ger DE-627 rakwb eng 610 ASE 44.90 bkl 44.67 bkl Meier, Ullrich verfasserin aut Clinical experiences with different valve systems in patients with normal-pressure hydrocephalus: evaluation of the Miethke dual-switch valve 2002 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Heading Abstract Objective. In patients with normal-pressure hydrocephalus (NPH) and beginning brain atrophy the conventional differential pressure valve bears the disadvantage of opening abruptly when the patient moves into an upright position. In this way severe suction on the already atrophic brain could be induced. We wished to find whether this disadvantage, and especially the complication of the overdrainage, could be reduced or solved by a hydrostatic valve? Methods. In 115 patients diagnosed with NPH we implanted 36 Cordis standard valves (CSV), 19 Cordis-Orbis-Sigma valves type I (OSV), and 60 Miethke Dual-Switch valves (M-DSV). The patients were re-evaluated 7 months after surgical treatment. NPH was diagnosed from the clinical symptoms, the results of the CAT scan or MRI scan, the intrathecal infusion test, and the patients' recovery after a CSF tap test. Results. The clinical follow-up showed significantly better results for patients with an implanted M-DSV valve than in patients with a conventional differential pressure valve. We found clear differences in the incidences of overdrainage and subdural hematoma: 2 patients (6%) with a CSV, 3 patients (16%) with an OSV and 1 (2%) with a M-DSV exhibited clinical signs of overdrainage. Three patients (16%) with the OSV later developed subdural hematomas, for which neurosurgical treatment was necessary. One of these 3 patients (5%) died of an intraventricular hemorrhage. One patient with a CSV (3%) and 1 with a M-DSV (2%) had to be operated on a subdural hematoma. Conclusion. The clinical course in patients with NPH is influenced by the stage of the disease, the beginning of therapy and the implanted valve type. Although little clinical experience is so far available with the M-DSV, we have to underline the advantages of this valve for patients with NPH. Kintzel, Dieter verfasserin aut Enthalten in Child's nervous system Berlin : Springer, 1985 18(2002), 6-7 vom: 15. Mai, Seite 288-294 (DE-627)254639054 (DE-600)1463024-2 1433-0350 nnns volume:18 year:2002 number:6-7 day:15 month:05 pages:288-294 https://dx.doi.org/10.1007/s00381-002-0577-0 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_121 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_374 GBV_ILN_602 GBV_ILN_636 GBV_ILN_647 GBV_ILN_702 GBV_ILN_711 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2043 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2158 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2193 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2400 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_2808 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4277 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4346 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 GBV_ILN_4753 44.90 ASE 44.67 ASE AR 18 2002 6-7 15 05 288-294
allfields_unstemmed	10.1007/s00381-002-0577-0 doi (DE-627)SPR004573730 (SPR)s00381-002-0577-0-e DE-627 ger DE-627 rakwb eng 610 ASE 44.90 bkl 44.67 bkl Meier, Ullrich verfasserin aut Clinical experiences with different valve systems in patients with normal-pressure hydrocephalus: evaluation of the Miethke dual-switch valve 2002 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Heading Abstract Objective. In patients with normal-pressure hydrocephalus (NPH) and beginning brain atrophy the conventional differential pressure valve bears the disadvantage of opening abruptly when the patient moves into an upright position. In this way severe suction on the already atrophic brain could be induced. We wished to find whether this disadvantage, and especially the complication of the overdrainage, could be reduced or solved by a hydrostatic valve? Methods. In 115 patients diagnosed with NPH we implanted 36 Cordis standard valves (CSV), 19 Cordis-Orbis-Sigma valves type I (OSV), and 60 Miethke Dual-Switch valves (M-DSV). The patients were re-evaluated 7 months after surgical treatment. NPH was diagnosed from the clinical symptoms, the results of the CAT scan or MRI scan, the intrathecal infusion test, and the patients' recovery after a CSF tap test. Results. The clinical follow-up showed significantly better results for patients with an implanted M-DSV valve than in patients with a conventional differential pressure valve. We found clear differences in the incidences of overdrainage and subdural hematoma: 2 patients (6%) with a CSV, 3 patients (16%) with an OSV and 1 (2%) with a M-DSV exhibited clinical signs of overdrainage. Three patients (16%) with the OSV later developed subdural hematomas, for which neurosurgical treatment was necessary. One of these 3 patients (5%) died of an intraventricular hemorrhage. One patient with a CSV (3%) and 1 with a M-DSV (2%) had to be operated on a subdural hematoma. Conclusion. The clinical course in patients with NPH is influenced by the stage of the disease, the beginning of therapy and the implanted valve type. Although little clinical experience is so far available with the M-DSV, we have to underline the advantages of this valve for patients with NPH. Kintzel, Dieter verfasserin aut Enthalten in Child's nervous system Berlin : Springer, 1985 18(2002), 6-7 vom: 15. Mai, Seite 288-294 (DE-627)254639054 (DE-600)1463024-2 1433-0350 nnns volume:18 year:2002 number:6-7 day:15 month:05 pages:288-294 https://dx.doi.org/10.1007/s00381-002-0577-0 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_121 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_374 GBV_ILN_602 GBV_ILN_636 GBV_ILN_647 GBV_ILN_702 GBV_ILN_711 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2043 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2158 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2193 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2400 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_2808 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4277 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4346 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 GBV_ILN_4753 44.90 ASE 44.67 ASE AR 18 2002 6-7 15 05 288-294
allfieldsGer	10.1007/s00381-002-0577-0 doi (DE-627)SPR004573730 (SPR)s00381-002-0577-0-e DE-627 ger DE-627 rakwb eng 610 ASE 44.90 bkl 44.67 bkl Meier, Ullrich verfasserin aut Clinical experiences with different valve systems in patients with normal-pressure hydrocephalus: evaluation of the Miethke dual-switch valve 2002 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Heading Abstract Objective. In patients with normal-pressure hydrocephalus (NPH) and beginning brain atrophy the conventional differential pressure valve bears the disadvantage of opening abruptly when the patient moves into an upright position. In this way severe suction on the already atrophic brain could be induced. We wished to find whether this disadvantage, and especially the complication of the overdrainage, could be reduced or solved by a hydrostatic valve? Methods. In 115 patients diagnosed with NPH we implanted 36 Cordis standard valves (CSV), 19 Cordis-Orbis-Sigma valves type I (OSV), and 60 Miethke Dual-Switch valves (M-DSV). The patients were re-evaluated 7 months after surgical treatment. NPH was diagnosed from the clinical symptoms, the results of the CAT scan or MRI scan, the intrathecal infusion test, and the patients' recovery after a CSF tap test. Results. The clinical follow-up showed significantly better results for patients with an implanted M-DSV valve than in patients with a conventional differential pressure valve. We found clear differences in the incidences of overdrainage and subdural hematoma: 2 patients (6%) with a CSV, 3 patients (16%) with an OSV and 1 (2%) with a M-DSV exhibited clinical signs of overdrainage. Three patients (16%) with the OSV later developed subdural hematomas, for which neurosurgical treatment was necessary. One of these 3 patients (5%) died of an intraventricular hemorrhage. One patient with a CSV (3%) and 1 with a M-DSV (2%) had to be operated on a subdural hematoma. Conclusion. The clinical course in patients with NPH is influenced by the stage of the disease, the beginning of therapy and the implanted valve type. Although little clinical experience is so far available with the M-DSV, we have to underline the advantages of this valve for patients with NPH. Kintzel, Dieter verfasserin aut Enthalten in Child's nervous system Berlin : Springer, 1985 18(2002), 6-7 vom: 15. Mai, Seite 288-294 (DE-627)254639054 (DE-600)1463024-2 1433-0350 nnns volume:18 year:2002 number:6-7 day:15 month:05 pages:288-294 https://dx.doi.org/10.1007/s00381-002-0577-0 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_121 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_374 GBV_ILN_602 GBV_ILN_636 GBV_ILN_647 GBV_ILN_702 GBV_ILN_711 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2043 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2158 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2193 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2400 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_2808 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4277 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4346 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 GBV_ILN_4753 44.90 ASE 44.67 ASE AR 18 2002 6-7 15 05 288-294
allfieldsSound	10.1007/s00381-002-0577-0 doi (DE-627)SPR004573730 (SPR)s00381-002-0577-0-e DE-627 ger DE-627 rakwb eng 610 ASE 44.90 bkl 44.67 bkl Meier, Ullrich verfasserin aut Clinical experiences with different valve systems in patients with normal-pressure hydrocephalus: evaluation of the Miethke dual-switch valve 2002 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Heading Abstract Objective. In patients with normal-pressure hydrocephalus (NPH) and beginning brain atrophy the conventional differential pressure valve bears the disadvantage of opening abruptly when the patient moves into an upright position. In this way severe suction on the already atrophic brain could be induced. We wished to find whether this disadvantage, and especially the complication of the overdrainage, could be reduced or solved by a hydrostatic valve? Methods. In 115 patients diagnosed with NPH we implanted 36 Cordis standard valves (CSV), 19 Cordis-Orbis-Sigma valves type I (OSV), and 60 Miethke Dual-Switch valves (M-DSV). The patients were re-evaluated 7 months after surgical treatment. NPH was diagnosed from the clinical symptoms, the results of the CAT scan or MRI scan, the intrathecal infusion test, and the patients' recovery after a CSF tap test. Results. The clinical follow-up showed significantly better results for patients with an implanted M-DSV valve than in patients with a conventional differential pressure valve. We found clear differences in the incidences of overdrainage and subdural hematoma: 2 patients (6%) with a CSV, 3 patients (16%) with an OSV and 1 (2%) with a M-DSV exhibited clinical signs of overdrainage. Three patients (16%) with the OSV later developed subdural hematomas, for which neurosurgical treatment was necessary. One of these 3 patients (5%) died of an intraventricular hemorrhage. One patient with a CSV (3%) and 1 with a M-DSV (2%) had to be operated on a subdural hematoma. Conclusion. The clinical course in patients with NPH is influenced by the stage of the disease, the beginning of therapy and the implanted valve type. Although little clinical experience is so far available with the M-DSV, we have to underline the advantages of this valve for patients with NPH. Kintzel, Dieter verfasserin aut Enthalten in Child's nervous system Berlin : Springer, 1985 18(2002), 6-7 vom: 15. Mai, Seite 288-294 (DE-627)254639054 (DE-600)1463024-2 1433-0350 nnns volume:18 year:2002 number:6-7 day:15 month:05 pages:288-294 https://dx.doi.org/10.1007/s00381-002-0577-0 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_121 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_374 GBV_ILN_602 GBV_ILN_636 GBV_ILN_647 GBV_ILN_702 GBV_ILN_711 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2043 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2158 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2193 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2400 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_2808 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4277 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4346 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 GBV_ILN_4753 44.90 ASE 44.67 ASE AR 18 2002 6-7 15 05 288-294
language	English
source	Enthalten in Child's nervous system 18(2002), 6-7 vom: 15. Mai, Seite 288-294 volume:18 year:2002 number:6-7 day:15 month:05 pages:288-294
sourceStr	Enthalten in Child's nervous system 18(2002), 6-7 vom: 15. Mai, Seite 288-294 volume:18 year:2002 number:6-7 day:15 month:05 pages:288-294
format_phy_str_mv	Article
institution	findex.gbv.de
dewey-raw	610
isfreeaccess_bool	false
container_title	Child's nervous system
authorswithroles_txt_mv	Meier, Ullrich @@aut@@ Kintzel, Dieter @@aut@@
publishDateDaySort_date	2002-05-15T00:00:00Z
hierarchy_top_id	254639054
dewey-sort	3610
id	SPR004573730
language_de	englisch
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In patients with normal-pressure hydrocephalus (NPH) and beginning brain atrophy the conventional differential pressure valve bears the disadvantage of opening abruptly when the patient moves into an upright position. In this way severe suction on the already atrophic brain could be induced. We wished to find whether this disadvantage, and especially the complication of the overdrainage, could be reduced or solved by a hydrostatic valve? Methods. In 115 patients diagnosed with NPH we implanted 36 Cordis standard valves (CSV), 19 Cordis-Orbis-Sigma valves type I (OSV), and 60 Miethke Dual-Switch valves (M-DSV). The patients were re-evaluated 7 months after surgical treatment. NPH was diagnosed from the clinical symptoms, the results of the CAT scan or MRI scan, the intrathecal infusion test, and the patients' recovery after a CSF tap test. Results. The clinical follow-up showed significantly better results for patients with an implanted M-DSV valve than in patients with a conventional differential pressure valve. We found clear differences in the incidences of overdrainage and subdural hematoma: 2 patients (6%) with a CSV, 3 patients (16%) with an OSV and 1 (2%) with a M-DSV exhibited clinical signs of overdrainage. Three patients (16%) with the OSV later developed subdural hematomas, for which neurosurgical treatment was necessary. One of these 3 patients (5%) died of an intraventricular hemorrhage. One patient with a CSV (3%) and 1 with a M-DSV (2%) had to be operated on a subdural hematoma. Conclusion. The clinical course in patients with NPH is influenced by the stage of the disease, the beginning of therapy and the implanted valve type. 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author	Meier, Ullrich
spellingShingle	Meier, Ullrich ddc 610 bkl 44.90 bkl 44.67 Clinical experiences with different valve systems in patients with normal-pressure hydrocephalus: evaluation of the Miethke dual-switch valve
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topic_title	610 ASE 44.90 bkl 44.67 bkl Clinical experiences with different valve systems in patients with normal-pressure hydrocephalus: evaluation of the Miethke dual-switch valve
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title	Clinical experiences with different valve systems in patients with normal-pressure hydrocephalus: evaluation of the Miethke dual-switch valve
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title_full	Clinical experiences with different valve systems in patients with normal-pressure hydrocephalus: evaluation of the Miethke dual-switch valve
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title_sort	clinical experiences with different valve systems in patients with normal-pressure hydrocephalus: evaluation of the miethke dual-switch valve
title_auth	Clinical experiences with different valve systems in patients with normal-pressure hydrocephalus: evaluation of the Miethke dual-switch valve
abstract	Heading Abstract Objective. In patients with normal-pressure hydrocephalus (NPH) and beginning brain atrophy the conventional differential pressure valve bears the disadvantage of opening abruptly when the patient moves into an upright position. In this way severe suction on the already atrophic brain could be induced. We wished to find whether this disadvantage, and especially the complication of the overdrainage, could be reduced or solved by a hydrostatic valve? Methods. In 115 patients diagnosed with NPH we implanted 36 Cordis standard valves (CSV), 19 Cordis-Orbis-Sigma valves type I (OSV), and 60 Miethke Dual-Switch valves (M-DSV). The patients were re-evaluated 7 months after surgical treatment. NPH was diagnosed from the clinical symptoms, the results of the CAT scan or MRI scan, the intrathecal infusion test, and the patients' recovery after a CSF tap test. Results. The clinical follow-up showed significantly better results for patients with an implanted M-DSV valve than in patients with a conventional differential pressure valve. We found clear differences in the incidences of overdrainage and subdural hematoma: 2 patients (6%) with a CSV, 3 patients (16%) with an OSV and 1 (2%) with a M-DSV exhibited clinical signs of overdrainage. Three patients (16%) with the OSV later developed subdural hematomas, for which neurosurgical treatment was necessary. One of these 3 patients (5%) died of an intraventricular hemorrhage. One patient with a CSV (3%) and 1 with a M-DSV (2%) had to be operated on a subdural hematoma. Conclusion. The clinical course in patients with NPH is influenced by the stage of the disease, the beginning of therapy and the implanted valve type. Although little clinical experience is so far available with the M-DSV, we have to underline the advantages of this valve for patients with NPH.
abstractGer	Heading Abstract Objective. In patients with normal-pressure hydrocephalus (NPH) and beginning brain atrophy the conventional differential pressure valve bears the disadvantage of opening abruptly when the patient moves into an upright position. In this way severe suction on the already atrophic brain could be induced. We wished to find whether this disadvantage, and especially the complication of the overdrainage, could be reduced or solved by a hydrostatic valve? Methods. In 115 patients diagnosed with NPH we implanted 36 Cordis standard valves (CSV), 19 Cordis-Orbis-Sigma valves type I (OSV), and 60 Miethke Dual-Switch valves (M-DSV). The patients were re-evaluated 7 months after surgical treatment. NPH was diagnosed from the clinical symptoms, the results of the CAT scan or MRI scan, the intrathecal infusion test, and the patients' recovery after a CSF tap test. Results. The clinical follow-up showed significantly better results for patients with an implanted M-DSV valve than in patients with a conventional differential pressure valve. We found clear differences in the incidences of overdrainage and subdural hematoma: 2 patients (6%) with a CSV, 3 patients (16%) with an OSV and 1 (2%) with a M-DSV exhibited clinical signs of overdrainage. Three patients (16%) with the OSV later developed subdural hematomas, for which neurosurgical treatment was necessary. One of these 3 patients (5%) died of an intraventricular hemorrhage. One patient with a CSV (3%) and 1 with a M-DSV (2%) had to be operated on a subdural hematoma. Conclusion. The clinical course in patients with NPH is influenced by the stage of the disease, the beginning of therapy and the implanted valve type. Although little clinical experience is so far available with the M-DSV, we have to underline the advantages of this valve for patients with NPH.
abstract_unstemmed	Heading Abstract Objective. In patients with normal-pressure hydrocephalus (NPH) and beginning brain atrophy the conventional differential pressure valve bears the disadvantage of opening abruptly when the patient moves into an upright position. In this way severe suction on the already atrophic brain could be induced. We wished to find whether this disadvantage, and especially the complication of the overdrainage, could be reduced or solved by a hydrostatic valve? Methods. In 115 patients diagnosed with NPH we implanted 36 Cordis standard valves (CSV), 19 Cordis-Orbis-Sigma valves type I (OSV), and 60 Miethke Dual-Switch valves (M-DSV). The patients were re-evaluated 7 months after surgical treatment. NPH was diagnosed from the clinical symptoms, the results of the CAT scan or MRI scan, the intrathecal infusion test, and the patients' recovery after a CSF tap test. Results. The clinical follow-up showed significantly better results for patients with an implanted M-DSV valve than in patients with a conventional differential pressure valve. We found clear differences in the incidences of overdrainage and subdural hematoma: 2 patients (6%) with a CSV, 3 patients (16%) with an OSV and 1 (2%) with a M-DSV exhibited clinical signs of overdrainage. Three patients (16%) with the OSV later developed subdural hematomas, for which neurosurgical treatment was necessary. One of these 3 patients (5%) died of an intraventricular hemorrhage. One patient with a CSV (3%) and 1 with a M-DSV (2%) had to be operated on a subdural hematoma. Conclusion. The clinical course in patients with NPH is influenced by the stage of the disease, the beginning of therapy and the implanted valve type. Although little clinical experience is so far available with the M-DSV, we have to underline the advantages of this valve for patients with NPH.
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container_issue	6-7
title_short	Clinical experiences with different valve systems in patients with normal-pressure hydrocephalus: evaluation of the Miethke dual-switch valve
url	https://dx.doi.org/10.1007/s00381-002-0577-0
remote_bool	true
author2	Kintzel, Dieter
author2Str	Kintzel, Dieter
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doi_str	10.1007/s00381-002-0577-0
up_date	2024-07-04T01:41:19.649Z
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In patients with normal-pressure hydrocephalus (NPH) and beginning brain atrophy the conventional differential pressure valve bears the disadvantage of opening abruptly when the patient moves into an upright position. In this way severe suction on the already atrophic brain could be induced. We wished to find whether this disadvantage, and especially the complication of the overdrainage, could be reduced or solved by a hydrostatic valve? Methods. In 115 patients diagnosed with NPH we implanted 36 Cordis standard valves (CSV), 19 Cordis-Orbis-Sigma valves type I (OSV), and 60 Miethke Dual-Switch valves (M-DSV). The patients were re-evaluated 7 months after surgical treatment. NPH was diagnosed from the clinical symptoms, the results of the CAT scan or MRI scan, the intrathecal infusion test, and the patients' recovery after a CSF tap test. Results. 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Clinical experiences with different valve systems in patients with normal-pressure hydrocephalus: evaluation of the Miethke dual-switch valve

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