Analgesic Requirements After Major Abdominal Surgery are Associated with OPRM1 Gene Polymorphism Genotype and Haplotype
Copyright policy )Analgesic Requirements After Major Abdominal Surgery are Associated with OPRM1 Gene Polymorphism Genotype and Haplotype
The association between SNPs of the human OPRM1 gene encoding the micro-opioid receptor and postoperative analgesic requirements in surgical patients remains controversial. Here, we evaluate whether any of the five tag SNPs (A118G, IVS2+G691C, IVS3+G5953A, IVS3+A8449G and TAA+A2109G) representing the four linkage disequilibrium blocks of the OPRM1 gene influences postoperative analgesic requirements.We studied 138 adult Japanese patients who underwent major open abdominal surgery under combined general and epidural anesthesia and received continuous postoperative epidural analgesia with opioids.The 118G homozygous (GG) patients required 24-h postoperative analgesics more than 118A homozygous (AA) and heterozygous (AG) patients. Tag SNP haplotypes also were associated with 24-h postoperative analgesic requirements.These results suggest that OPRM1 gene tag SNP genotypes and haplotypes can primarily contribute to prediction of postoperative analgesic requirements in individual patients undergoing major open abdominal surgery.
Adult, Aged, 80 and over, Male, Analgesics, Pain, Postoperative, Genotype, Anti-Inflammatory Agents, Non-Steroidal, Receptors, Opioid, mu, Middle Aged, Polymorphism, Single Nucleotide, Analgesics, Opioid, Treatment Outcome, Haplotypes, Abdomen, Humans, Drug Therapy, Combination, Female, Digestive System Surgical Procedures, Aged
Adult, Aged, 80 and over, Male, Analgesics, Pain, Postoperative, Genotype, Anti-Inflammatory Agents, Non-Steroidal, Receptors, Opioid, mu, Middle Aged, Polymorphism, Single Nucleotide, Analgesics, Opioid, Treatment Outcome, Haplotypes, Abdomen, Humans, Drug Therapy, Combination, Female, Digestive System Surgical Procedures, Aged
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