Cytochrome P450 polymorphism and postoperative cognitive dysfunction

J Steinmetz; Cathrine Jespersgaard; Kim Peder Dalhoff; P Hedley; Hanne Harpøth Abildstrøm; M Christiansen; L S Rasmussen

Cytochrome P450 polymorphism and postoperative cognitive dysfunction

J Steinmetz, Cathrine Jespersgaard, Kim Peder Dalhoff, P Hedley, Hanne Harpøth Abildstrøm, M Christiansen, L S Rasmussen

14 Citations (Scopus)

Abstract

BACKGROUND:The etiology of postoperative cognitive dysfunction (POCD) remains unclear but toxicity of anesthetic drugs and their metabolites could be important. We aimed to assess the possible association between POCD after propofol anesthesia and various phenotypes owing to polymorphisms in cytochrome P450 encoding genes. METHODS:We included patients who underwent non-cardiac surgery under total intravenous anesthesia with propofol. POCD was identified using a neuropsychological test-battery administered preoperatively, one week, and three months after surgery. Genotyping of CYP2C19*2, *3, CYP2D6*3, *4, *5 and *6 was performed using pyrosequencing, and patients were characterized according to their phenotype as ultra, extensive, intermediate, or poor metabolizers. RESULTS: In total, 337 patients with a median age of 67 years were included. 30 (9.4%) out of the 319 patients who underwent neuropsychological testing at one week had POCD, and 24 out of 307 (7.8%) had POCD at three months. None of the examined CYP2C19, 2D6 alleles, or various phenotypes were significantly associated with POCD. CONCLUSION: Polymorphisms in CYP2C19, or 2D6 genes do not seem to be related to the occurrence of cognitive dysfunction after non-cardiac surgery in patients anesthetised with propofol.

Original language	English
Journal	Minerva Anestesiologica
Volume	78
Issue number	3
Pages (from-to)	303-309
Number of pages	7
ISSN	0375-9393
Publication status	Published - Mar 2012

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@article{9e6031d2b8bc4b1db4911e3fbbe71d13,

title = "Cytochrome P450 polymorphism and postoperative cognitive dysfunction",

abstract = "BACKGROUND:The etiology of postoperative cognitive dysfunction (POCD) remains unclear but toxicity of anesthetic drugs and their metabolites could be important. We aimed to assess the possible association between POCD after propofol anesthesia and various phenotypes owing to polymorphisms in cytochrome P450 encoding genes. METHODS:We included patients who underwent non-cardiac surgery under total intravenous anesthesia with propofol. POCD was identified using a neuropsychological test-battery administered preoperatively, one week, and three months after surgery. Genotyping of CYP2C19*2, *3, CYP2D6*3, *4, *5 and *6 was performed using pyrosequencing, and patients were characterized according to their phenotype as ultra, extensive, intermediate, or poor metabolizers. RESULTS: In total, 337 patients with a median age of 67 years were included. 30 (9.4%) out of the 319 patients who underwent neuropsychological testing at one week had POCD, and 24 out of 307 (7.8%) had POCD at three months. None of the examined CYP2C19, 2D6 alleles, or various phenotypes were significantly associated with POCD. CONCLUSION: Polymorphisms in CYP2C19, or 2D6 genes do not seem to be related to the occurrence of cognitive dysfunction after non-cardiac surgery in patients anesthetised with propofol.",

author = "J Steinmetz and Cathrine Jespersgaard and Dalhoff, {Kim Peder} and P Hedley and Abildstr{\o}m, {Hanne Harp{\o}th} and M Christiansen and Rasmussen, {L S}",

year = "2012",

month = mar,

language = "English",

volume = "78",

pages = "303--309",

journal = "Minerva Anestesiologica",

issn = "0375-9393",

publisher = "EdizioniMinerva Medica",

number = "3",

}

TY - JOUR

T1 - Cytochrome P450 polymorphism and postoperative cognitive dysfunction

AU - Steinmetz, J

AU - Jespersgaard, Cathrine

AU - Dalhoff, Kim Peder

AU - Hedley, P

AU - Abildstrøm, Hanne Harpøth

AU - Christiansen, M

AU - Rasmussen, L S

PY - 2012/3

Y1 - 2012/3

N2 - BACKGROUND:The etiology of postoperative cognitive dysfunction (POCD) remains unclear but toxicity of anesthetic drugs and their metabolites could be important. We aimed to assess the possible association between POCD after propofol anesthesia and various phenotypes owing to polymorphisms in cytochrome P450 encoding genes. METHODS:We included patients who underwent non-cardiac surgery under total intravenous anesthesia with propofol. POCD was identified using a neuropsychological test-battery administered preoperatively, one week, and three months after surgery. Genotyping of CYP2C19*2, *3, CYP2D6*3, *4, *5 and *6 was performed using pyrosequencing, and patients were characterized according to their phenotype as ultra, extensive, intermediate, or poor metabolizers. RESULTS: In total, 337 patients with a median age of 67 years were included. 30 (9.4%) out of the 319 patients who underwent neuropsychological testing at one week had POCD, and 24 out of 307 (7.8%) had POCD at three months. None of the examined CYP2C19, 2D6 alleles, or various phenotypes were significantly associated with POCD. CONCLUSION: Polymorphisms in CYP2C19, or 2D6 genes do not seem to be related to the occurrence of cognitive dysfunction after non-cardiac surgery in patients anesthetised with propofol.

AB - BACKGROUND:The etiology of postoperative cognitive dysfunction (POCD) remains unclear but toxicity of anesthetic drugs and their metabolites could be important. We aimed to assess the possible association between POCD after propofol anesthesia and various phenotypes owing to polymorphisms in cytochrome P450 encoding genes. METHODS:We included patients who underwent non-cardiac surgery under total intravenous anesthesia with propofol. POCD was identified using a neuropsychological test-battery administered preoperatively, one week, and three months after surgery. Genotyping of CYP2C19*2, *3, CYP2D6*3, *4, *5 and *6 was performed using pyrosequencing, and patients were characterized according to their phenotype as ultra, extensive, intermediate, or poor metabolizers. RESULTS: In total, 337 patients with a median age of 67 years were included. 30 (9.4%) out of the 319 patients who underwent neuropsychological testing at one week had POCD, and 24 out of 307 (7.8%) had POCD at three months. None of the examined CYP2C19, 2D6 alleles, or various phenotypes were significantly associated with POCD. CONCLUSION: Polymorphisms in CYP2C19, or 2D6 genes do not seem to be related to the occurrence of cognitive dysfunction after non-cardiac surgery in patients anesthetised with propofol.

M3 - Journal article

SN - 0375-9393

VL - 78

SP - 303

EP - 309

JO - Minerva Anestesiologica

JF - Minerva Anestesiologica

IS - 3

ER -

Cytochrome P450 polymorphism and postoperative cognitive dysfunction

Abstract

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