J Reprod Med
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Randomized Controlled Trial Comparative Study Clinical Trial
Nalbuphine after major gynecologic surgery. Comparison of patient-controlled analgesia and intramuscular injections.
A randomized investigation compared the efficacy and safety of nalbuphine administered by two methods, a patient-controlled infuser system and intramuscular (IM) injections, after major gynecologic surgery. Forty-seven patients were randomly assigned to receive nalbuphine by either method. The 22 patients using the infuser were given a 2.0-mg, incremental dose with a 10-minute lock-out interval between doses. ⋯ Although patients with the infuser had the ability to self-administer more medication, they did not use higher doses of nalbuphine than did the IM group. The additional cost of the infuser system was offset by the satisfaction expressed by the patients and by the improved nursing efficiency. Nalbuphine administered with a patient-controlled infuser provided an effective balance between analgesia and sedation and offered advantages over IM injections.
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Randomized Controlled Trial Comparative Study Clinical Trial
Abdominal instillation of high-molecular-weight dextran or lactated Ringer's solution after laparoscopic surgery. A randomized comparison of the effect on weight change.
Abdominal fluid retention after the instillation of lactated Ringer's solution into the abdomen after operative laparoscopy was evaluated by comparing the serial weights of patients receiving lactated Ringer's after surgery to those of patients treated with the abdominal instillation of high-molecular-weight dextran and to those of negative controls. Twenty-four patients were randomized to receive either lactated Ringer's or high-molecular-weight dextran after operative laparoscopy. ⋯ The weight gain remained significantly greater than in the negative controls on postoperative days 3 and 4 in patients treated with dextran. Since the "flotation" effect of dextran in preventing pelvic adhesions is likely to be most pronounced in the immediate postoperative period, the findings suggest the need for a reinterpretation of adhesion prevention studies in which the use of dextran was compared to that of lactated Ringer's solution or to saline as a negative control.
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A prospective study analyzed the prevalence and severity of dysmenorrhea, intermenstrual pain and deep dyspareunia in relation to morphologic features of peritoneal disease in 73 consecutive women with endometriosis but no associated pelvic pathology, previous pelvic surgery or hormonal treatment. All underwent their first laparoscopy for chronic pelvic pain at the First Department of Obstetrics and Gynecology, University of Milan, Milan, Italy, between 1986 and 1989. Gynecologic pain symptoms were evaluated with a verbal score and visual analog scale. ⋯ When the three types of lesions were considered together, a statistically significant association was observed only with deep dyspareunia (P less than .01). Moreover, a significantly higher prevalence of deep dyspareunia was revealed in patients with typical versus atypical lesions (P less than .01) and in those with mixed versus atypical lesions (P less than .05). Fresh, papular, atypical lesions exposed to peritoneal fluid might cause functional pain, whereas "old," black nodules immersed in infiltrating scars might provoke mainly organic pain.
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Comparative Study Clinical Trial Controlled Clinical Trial
Comparison of patient-controlled analgesia and epidural morphine for postcesarean pain and recovery.
A greater awareness of the advantages and limitations of new methods of administering postcesarean analgesia would help the obstetrician care for the recovering patient. Patient-controlled analgesia and epidural morphine are two new modalities for postoperative pain relief. The purpose of this prospective investigation was to compare their effectiveness, safety, side effects, patient satisfaction and cost. ⋯ No complications were encountered with patient-controlled analgesia, but pruritus and alarms from apnea monitors occurred commonly in the epidural morphine group. The costs to the patient were similar for the two groups. Patient-controlled analgesia using a combined continuous infusion and demand dosing is an acceptable alternative to epidural morphine after cesarean delivery.
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In recent years the American Society of Anesthesiologists (ASA) has adopted several practice standards that relate directly to the practice of obstetric anesthesia. In addition, the American College of Obstetricians and Gynecologists and ASA defined, in a joint statement, both organizations' views on optimal goals for anesthesia care in obstetrics. Ostensibly, those documents and a number of others promulgated by the two professional organizations enhance the safety of patient care. Knowledge of the documents is equally important to the obstetrician and the anesthesiologist since care rendered to the parturient by the two specialists is closely intertwined, and so are their respective fates in case of legal action.