title: Early postoperative complications of anorectal surgery.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001003:Anal Canal / Q000601:surgery*; D000698:Analgesia; D000767:Anesthesia, Epidural; D000768:Anesthesia, General; D000772:Anesthesia, Local; D000775:Anesthesia, Spinal; D002648:Child; D002675:Child, Preschool; D003107:Colorectal Surgery; D005244:Fecal Impaction / Q000453:epidemiology; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000453:epidemiology; D006484:Hemorrhoids / Q000601:surgery; D006487:Hemostasis; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007902:Length of Stay; D008297:Male; D008875:Middle Aged; D009020:Morphine / Q000008:administration & dosage; D009407:Nerve Block; D011182:Postoperative Care; D011183:Postoperative Complications / Q000453:epidemiology*; D011300:Preoperative Care; D012007:Rectum / Q000601:surgery*; D013997:Time Factors; D014546:Urinary Catheterization
chemical_list: D009020:Morphine