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Kinesiologic analysis of dynamic side-shift in patients with idiopathic scoliosis.

OBJECTIVES: The purpose of this study was to analyze the ability of the patients with idiopathic scoliosis to transfer the body weight in the frontal plane. DESIGN: Randomized and controlled study. SETTING: A referral center and institutional practice and outpatient care. SUBJECTS: Fifty patients with idiopathic scoliosis (three men and forty-seven women; average age 15.3 years) and 15 normal women (average age 17.3 years) participated in this study. Thirty patients were treated with underarm braces. MAIN OUTCOME MEASURES: Computer-assisted force plates were used to evaluate the laterally shifted weight and the time period during side-shift on sitting. RESULTS: During both slow and fast side-shifts, shifted weight in the patients with idiopathic scoliosis was significantly less than in the normal controls (p < 0.05). The shifted weight was less on the concave side than on the convex one. The time for the shift to the concave side was longer in the patients than in the normal controls (p < 0.05). The brace was effective in correcting the imbalance of shifted weight in the patients with idiopathic scoliosis. CONCLUSIONS: The current study demonstrated the different patterns of weight side-shift between normal subjects and patients with idiopathic scoliosis. The patients transferred less weight laterally than the normal subjects during slow and fast random movements. The patients also showed slower side-shift patterns than the normal subjects during the fast random movement.

Adolescent↗

Clinical use of percutaneous intramuscular electrodes for functional electrical stimulation.

OBJECTIVE: To evaluate the clinical use of the percutaneous intramuscular electrode in functional electrical stimulation (FES). DESIGN: Randomized and controlled study. SETTING: A referral center and institutional practice providing outpatient care. PATIENTS: Seventeen patients (12 men, 5 women) who had implanted percutaneous intramuscular electrodes for more than 1 year were examined. The average follow-up time after implantation of electrodes was 2.2 years (range, 1yr to 4yr 10mo). Overall, there were 327 electrodes (83 upper extremities and 244 lower extremities). INTERVENTION: The indwelling electrode was composed of helically coiled Teflon-coated rope stranded from 19 hard drawn wires of SUS 316L stainless steel (SES 114). MAIN OUTCOME MEASURES: The rates of breakage, movement, and infection, and the number of electrodes that needed reimplantation were evaluated. RESULTS: Only one electrode broke (0.3%) in the iliopsoas muscle at 12 weeks after implantation. Eight electrodes (2.4%) were removed because of loss of sufficient contraction force caused by movement of the electrodes. Movements occurred at 9 weeks in 6 electrodes and at 5 months in two. The failure rate of electrodes in the lower extremities was 3.7%. No failures occurred in the upper extremities. Ten electrodes (3.1%) required reimplantation. Although ten superficial infections (3.1%) were seen around the site of electrode insertion, no removals of electrode were needed. All electrodes in one patient were removed, however, because of generalized methicillin-resistant Staphylococcus aureus infection complicated with renal disease. Electrodes were reimplanted after improvement of the infection. CONCLUSIONS: The ultrafine percutaneous intramuscular electrode was considered practical for long-term FES use.

Adult↗

Lumbar trunk muscle endurance testing: an inexpensive alternative to a machine for evaluation.

OBJECTIVES: The goals of this study were to verify the reliability and safety of new methods for evaluating trunk muscle endurance, and to compare the differences between healthy subjects and patients with chronic low-back pain. DESIGN: Randomized and controlled study. SETTING: A referral center and institutional practice, and outpatient care. SUBJECTS: Ninety healthy subjects (37 men and 53 women average age 46.2 years) and 100 patients with CLBP (40 men and 60 women; average age 45.3 years) participated in this study. MAIN OUTCOME MEASURES: During trunk flexor and extensor endurance tests, the subjects were asked to maintain the original positions for as long as possible. The performance time (seconds) for which subject could maintain the position was compared between two groups. Test-retest correlation (r) was also analyzed. The degree of lumbar lordosis was compared in conventional and new methods. RESULTS: All test-retest correlations were significantly high in both groups (p < .01). The performance time was much longer in the healthy subjects than in the patients with CLBP during any procedures (p < .01). Lumbar lordosis was significantly less in our method than in the Kraus-Weber test (p < .01). CONCLUSIONS: This study demonstrated that our methods for measuring trunk flexor and extensor endurance had high reliability, reproducibility, and safety, and were easy to perform, with no need for special equipment. This study also showed that trunk muscles in patients with CLBP were more easily fatigued, compared with those in healthy subjects.

Adult↗

Hybrid functional electrical stimulation for energy-efficient restoration of standing-up motion.

OBJECTIVE: To find the most energy-efficient standing-up motion for quadriceps and to restore that motion in a person with complete paraplegia by using hybrid functional electrical stimulation. DESIGN: Nonrandomized control trial. SETTING: A referral center and institutional practice providing outpatient care. PARTICIPANTS: Twenty-nine volunteer samples were used to collect normal data. One patient with complete paraplegia received treatment for the restoration of standing-up motion. MAIN OUTCOME MEASUREMENTS: Joint angles and ground reaction forces were investigated during the standing-up motion with arms crossed in front of the chest with an ankle-foot orthosis set at various angles. The electromyogram (EMG) was performed during the standing-up motion with and without the orthosis. The energy costs of quadriceps during the standing-up motion were calculated using a mathematical model. Standing-up motion in a person with complete paraplegia was restored and then analyzed by measuring the vertical ground reaction force and the hip and knee angles. RESULTS: Quadriceps energy cost was lowest (p < .05) in subjects wearing the ankle-foot orthosis set at neutral with a flat sole line. In the integrated EMG the peak value of rectus femoris contraction was larger with the orthosis than without it (p < .05). A patient with complete paraplegia was able to stand up smoothly from a wheelchair based on stimulation patterns obtained from healthy subjects. CONCLUSIONS: Energy-efficient standing-up motion in a patient with complete paraplegia was restored when the patient used an ankle-foot orthosis set at neutral with a flat sole line.

Adult↗

Muscle fatigue from intermittent stimulation with low and high frequency electrical pulses.

OBJECTIVE: To evaluate muscle fatigue resulting from intermittent low frequency and high frequency stimulation for the application of closed-loop control in functional electrical stimulation (FES). DESIGN: Nonrandomized trial. SETTING: General community, a referral center, institutional practice, and ambulatory care. PATIENTS: Twenty healthy nondisabled men volunteered for the normal muscle group. Four paraplegic men with implanted percutaneous intramuscular electrodes for FES volunteered for the paralyzed muscle group. INTERVENTION: The stimulation frequency was set at low (20 Hz) or high (100 Hz). Stimulation was administered in 4-second bursts at the start of 60-second, 120-second, and 240-second periods (duty cycles of 1/15, 1/30, and 1/60, respectively). MAIN OUTCOME MEASUREMENTS: Knee extensor torques were measured during intermittent electrical stimulation. A strength decrement index (SDI) was used to assess muscle fatigue. Actual knee extensor torques in the paraplegic men were also measured with an isokinetic dynamometer. RESULTS: Muscle fatigue was significantly greater at 20 Hz than at 100 Hz for both the nondisabled and the paraplegic subjects (p < .0001). Muscle fatigue at the 1/15 cycle was significantly reduced (p < .01). CONCLUSIONS: Muscle fatigue was greater at the lower frequency (20 Hz) than at the higher frequency (100 Hz) during intermittent electrical stimulation, suggesting that intermittent high frequency stimulation may be valuable in the development of closed-loop control strategies for FES.

Adult↗

Comparison of two blastocyst culture systems: coculture on Vero cells and sequential media.

OBJECTIVE: To compare two blastocyst culture systems: culture on Vero cells and sequential media in the same time period. DESIGN: Retrospective study. SETTING: Institutional practice assisted reproductive technology center. PATIENT(S): Ninety-nine selected patients undergoing IVF with blastocyst culture. INTERVENTION(S): In vitro fertilization and transfer of at least one expanded blastocyst after culture using either Vero cells or sequential media (S(2) medium). MAIN OUTCOME MEASURE(S): Blastocyst, pregnancy, and implantation rates. RESULT(S): The blastocyst formation rate (41.6% vs. 31.6%) is significantly increased with sequential media compared with the coculture system, but there is no statistically significant difference in the pregnancy and implantation rates (39.5% vs. 38.6% and 23.7% vs. 15.1%, respectively). CONCLUSION(S): Blastocyst culture on sequential media offers a better dynamic of embryo development (22% vs. 13.6% blastocyst at day 5). There was no statistically significant difference between the two groups in the take-home baby rate (18 vs. 12).

Adult↗

Incidence of sperm with two fluorescent bodies in men with impaired fertility.

OBJECTIVE: To determine the two fluorescent body (2FLB) frequency in males with impaired fertility. DESIGN: Males of couples were evaluated along with their female partners for reproductive function. They were classified as having the potential for fertility (control group) or as infertile (test group). This was based on the evaluation of both members of the couple. Semen parameters were determined and analyzed for differences among diagnostic groups. SETTING: The setting was clinical secondary care in both private and institutional practice. PATIENTS, PARTICIPANTS: The study population was composed of males of couples who were being evaluated for infertility. Classification as to reproductive potential and categories of abnormality was based on measurement of semen parameters and clinical judgment. INTERVENTIONS: Semen specimens were obtained and analyzed from 78 control and 93 test subjects. MAIN OUTCOME MEASURES: Semen parameters including volume, sperm count, sperm motility, percent morphologically abnormal sperm, and percent of quinacrine-stained sperm containing zero, one, or two FLBs were determined. RESULTS: The test group was found to have a 2FLB frequency that was significantly different from that of the control group. The data were then analyzed for significant differences in 2FLB frequencies in subpopulations. When subjects from all diagnostic subgroups that included varicocele were compared with the controls, the 2FLB frequency was significantly elevated (median percent of 2FLB was 1.2 versus 0.7). The 2FLB frequency in the remaining diagnostic groups was not elevated. CONCLUSIONS: This is the first report of an elevated 2FLB frequency associated with a biological abnormality. The cause of the elevated 2FLB frequency is not known. However, other anomalies that have been identified in varicocele patients have been associated with elevated intrascrotal temperatures. There are data available that associates elevated temperature with aneuploidy in mouse oocytes.

Humans↗

The revised American Fertility Society classification of endometriosis: reproducibility of scoring. ZOLADEX Endometriosis Study Group.

OBJECTIVE: To assess the reproducibility in staging endometriosis using the revised American Fertility Society (AFS) classification of endometriosis. DESIGN: Visual documentation of laparoscopies of 315 women with endometriosis was scored by the investigators and a blinded reviewer. SETTING: Patients from private practice institutional setting. PARTICIPANTS: Patients who participated in a multicenter trial to study the efficacy and safety of a GnRH agonist (GnRH-a). INTERVENTIONS: Laparascopic visual documentation of the extent of endometriosis before and after 6 months of GnRH-a therapy. MAIN OUTCOME MEASURE: The reproducibility of the AFS classification system comparing scoring during laparoscopy and by a blinded reviewer. RESULTS: Good to fair agreement scoring endometriosis between the investigator and the blinded reviewer was noted. CONCLUSIONS: Visual documentation may be used to determine the stage of endometriosis using the revised AFS classification guidelines.

Endometriosis↗

Chromosome analysis of aborted conceptuses of recurrent aborters positive for anticardiolipin antibody.

OBJECTIVE: To elucidate the relationship between anticardiolipin antibody and recurrent abortion. DESIGN: Prospective clinical study. SETTING: Institutional practice in which patients with recurrent abortion were registered at the outpatient clinic for infertility of Niigata University Hospital. PATIENT(S): Five hundred sixty-one patients with recurrent abortions and 148 patients who were not recurrent aborters and who had experienced sporadic abortion. INTERVENTION(S): Aborted conceptuses for chromosome analyses were collected from the patients. MAIN OUTCOME MEASURE(S): The positive rate of anticardiolipin antibody was assessed in patients with recurrent abortion. Chromosome analyses of aborted conceptuses were performed in 10 patients with positive anticardiolipin antibody who had experienced another pregnancy that resulted in repeated abortion. Similar analyses of aborted conceptuses from 148 sporadic early abortions (controls) were performed. RESULT(S): The incidence of chromosome abnormalities in anticardiolipin antibody-positive recurrent aborters was 20.0% (2 of 10 cases), which was significantly lower than that of patients with sporadic abortion (60.1%, 89 of 148 cases). CONCLUSION(S): The low incidence of chromosome abnormalities in aborted conceptuses of patients with positive anticardiolipin antibody suggests that this antibody is strongly implicated in the genesis of recurrent abortions.

Abortion, Habitual↗

Human leukocyte antigen class II genotype in patients with recurrent fetal miscarriage who are positive for anticardiolipin antibody.

OBJECTIVE: To elucidate the relationship between human leukocyte antigen (HLA) class II genotypes and patients with recurrent fetal miscarriage who are positive for anticardiolipin antibody. DESIGN: Prospective clinical study. SETTING: Institutional practice at the outpatient clinic for infertility, Niigata University Medical Hospital. PATIENT(S): Patients with recurrent fetal miscarriage who were positive for anticardiolipin antibody and normal fertile women. INTERVENTION(S): Genomic DNA was extracted from peripheral mononuclear cells. MAIN OUTCOME MEASURE(S): Human leukocyte antigen class II genotype was determined using a polymerase chain reaction restriction fragment length polymorphism method. RESULT(S): The frequencies of DRB1*0403 and DRB1*0410 were significantly higher in the patient group than in the control group. The frequency of DRB1*04 also was significantly higher in the patient group. As for HLA-DQ genotype, the frequency of HLA-DQB1*0501 was significantly lower in the patient group. CONCLUSION: Human leukocyte antigen systems appear to be involved in the genesis of antiphospholipid syndrome.

Abortion, Habitual↗

Problems associated with underrecognition of delirium in critical care: a case study.

Delirium, a syndrome that results in high morbidity and mortality rates in the elderly, continues to be underrecognized by physicians and nurses. Factors influencing the underrecognition of delirium are specific to individual institutions and their health care providers. The factors leading to the underrecognition of delirium must be identified so that changes can be made to increase early recognition. A case study conducted in a critical care unit in a midwestern hospital from interviews of nurses, chart audit, and patient observation, identified two major problems associated with the lack of recognition of delirium in that institution: (1) lack of knowledge on the part of nurses about the criteria and methods of detecting delirium, and (2) ineffective communication between all staff members in relaying symptoms of onset of the disorder. As a result of this study, staff education, assessment protocols, and improved communication and documentation techniques are indicated as targeted methods for improving recognition and treatment of delirium in this setting. Similar case studies can be performed to evaluate institutional practice, and thereby identify barriers to early recognition of delirium.

Aged↗

Pre or post-operative medical treatment with nafarelin in stage III-IV endometriosis: a French multicenter study.

OBJECTIVES: To determine the effectiveness of a 6-month course of nafarelin in the treatment of stage III-IV endometriosis and to determine if pre-operative use of nafarelin facilitates surgery. DESIGN: Prospective, multicenter, clinical trial. SETTING: Eight university hospitals and two private practice institutions in France. PATIENTS: Fifty-five patients with stage III and IV endometriosis. Two were excluded. INTERVENTIONS: The severity of endometriosis was assessed at the time of laparoscopy and patients were randomized to have either laparosopic surgery at that time following 6 months of nafarelin therapy (n=28), or laparoscopic surgery following 6 months of nafarelin therapy (n=25). All had 200 microg intranasal nafarelin twice a day for 6 months and a second look laparoscopy. MAIN OUTCOME MEASURE: Clinical efficacy, tolerance to the treatment. RESULTS: Efficacy and tolerance to the treatment were the same in both groups. AFS scores compared on both laparoscopies were significantly better if nafarelin was given prior to surgery (P=0.007). CONCLUSIONS: This preliminary study shows that in cases of combined medico-surgical treatment for stage III-IV endometriosis, preoperative medical treatment with GnRH-a gives a better AFS score improvement, but no conclusion was possible whether preoperative treatment facilitates surgery.

Adult↗

The American Brachytherapy Society recommendations for low-dose-rate brachytherapy for carcinoma of the cervix.

PURPOSE: This report presents guidelines for using low-dose-rate (LDR) brachytherapy in the management of patients with cervical cancer. METHODS: Members of the American Brachytherapy Society (ABS) with expertise in LDR brachytherapy for cervical cancer performed a literature review, supplemented by their clinical experience, to formulate guidelines for LDR brachytherapy of cervical cancer. RESULTS: The ABS strongly recommends that radiation treatment for cervical carcinoma (with or without chemotherapy) should include brachytherapy as a component. Precise applicator placement is essential for improved local control and reduced morbidity. The outcome of brachytherapy depends, in part, on the skill of the brachytherapist. Doses given by external beam radiotherapy and brachytherapy depend upon the initial volume of disease, the ability to displace the bladder and rectum, the degree of tumor regression during pelvic irradiation, and institutional practice. The ABS recognizes that intracavitary brachytherapy is the standard technique for brachytherapy for cervical carcinoma. Interstitial brachytherapy should be considered for patients with disease that cannot be optimally encompassed by intracavitary brachytherapy. The ABS recommends completion of treatment within 8 weeks, when possible. Prolonging total treatment duration can adversely affect local control and survival. Recommendations are made for definitive and postoperative therapy after hysterectomy. Although recognizing that many efficacious LDR dose schedules exist, the ABS presents suggested dose and fractionation schemes for combining external beam radiotherapy with LDR brachytherapy for each stage of disease. The dose prescription point (point A) is defined for intracavitary insertions. Dose rates of 0.50 to 0.65 Gy/h are suggested for intracavitary brachytherapy. Dose rates of 0.50 to 0.70 Gy/h to the periphery of the implant are suggested for interstitial implant. Use of differential source activity or loading minimizes excessive central dose rates. These recommendations are intended only as guidelines. The responsibility for medical decisions ultimately rests with the treating radiation oncologist. CONCLUSION: Guidelines are suggested for LDR brachytherapy for cervical cancer. Practitioners and cooperative groups are encouraged to use these guidelines to formulate their treatment and dose-reporting policies.

Brachytherapy↗

Emergency department management of occupational exposures to HIV-infected fluids.

The emergency department is where many healthcare workers will seek medical advice and care after a potential exposure to bodily fluids contaminated with the human immunodeficiency virus (HIV). The estimated risk of HIV infection in healthcare workers with percutaneous exposures to HIV-infected blood is estimated at 0.3% to 0.32%. Zidovudine (AZT) post-exposure prophylaxis has been associated with a 79% reduction in the risk of seroconversion in a case-control study sponsored by the Center for Disease Control and Prevention (CDC), and has become part of the standard prophylactic treatment for patients with occupational HIV exposure. This article reviews the current CDC recommendations as well as our institutional practice guidelines for the management of healthcare workers who are exposed to potential or confirmed HIV-infected fluids.

Anti-HIV Agents↗

High-sensitivity C-reactive protein in high-grade carotid stenosis: risk marker for unstable carotid plaque.

OBJECTIVES: Increasing evidence points to the inflammatory character of atherosclerosis, and several parameters of inflammation have been proposed as cardiovascular risk markers. We analyzed associations among serum high-sensitivity C-reactive protein (hs-CRP) concentrations, carotid plaque structure, and immunocytology, and neurologic symptoms in patients with high-grade carotid stenosis. METHODS: This was a cross-sectional study in a referral center and institutional practice in hospitalized patients. The study included 62 patients with greater than 70% carotid stenosis treated surgically; 58% of patients had symptoms, and 42% did not. Serum hs-CRP concentrations were determined 48 hours before surgery; levels greater than 10 mg/L were considered pathologic. Histopathologic analysis (stable or unstable) and immunohistochemistry (macrophage count, T lymphocytes, activated T lymphocytes) were carried out on the atherosclerotic plaques. RESULTS: Median hs-CRP values were 7.6 mg/L (range, 0-165 mg/L). Median hs-CRP concentrations were higher in patients with unstable plaque (53.2%) than in patients with stable plaque (46.7%): 27.1 mg/L (range, 1.8-165 mg/L) versus 4.1 mg/L (range, 0.3-56 mg/L) (P <.001). Among patients with symptomatic disease, 81% had CRP concentrations significantly higher than CRP concentrations in patients with asymptomatic disease (P <.001). A statistically significant association was found between hs-CRP levels and the presence of macrophages (Spearman rank correlation [rho], 0.61, P <.001) and T lymphocytes in the plaque (Spearman rank correlation [rho], 0.52, P <.001). At logistic regression analysis, neurologic event and macrophages in the plaque were independently associated with unstable plaque. CONCLUSIONS: Increased hs-CRP levels may be related to the presence of macrophages and T lymphocytes in plaque, which is associated with the phenomena of instability that can lead to development of an ischemic event. Thus determination of circulating hs-CRP levels may be a useful additional marker of risk in patients with high-grade carotid stenosis.

Adult↗

Randomized trial and local biological effect of autologous platelets used as adjuvant therapy for chronic venous leg ulcers.

OBJECTIVES: Platelet products have been proposed as adjuvant therapy for wound healing. We undertook this study to determine the healing effect of topically applied frozen autologous platelets (FAP) on chronic venous ulcers, compared with effect of placebo, and whether use of topical FAP modifies local expression of vascular endothelial growth factor (VEGF), keratinocyte growth factor (KGF), interleukin 8 (IL-8), and tissue inhibitor of metalloproteinase-1 (TIMP-1) in wound fluid. METHODS: This randomized, placebo-controlled, double-blind trial was carried out in institutional practice, with ambulatory patients with proved chronic venous leg ulcers. In all patients, whole venous blood was drawn for preparation of FAP. FAP or normal saline solution was applied three times per week for up to 12 weeks, together with hydrocolloids and standardized compression bandages. Leg ulcer surface was assessed with numerical pictures. IL-8, VEGF, KGF, and TIMP-1 levels were determined (enzyme-linked immunosorbent assay) in wound fluid after each 4 weeks of treatment. RESULTS: Fifteen patients were randomized into two groups with comparable leg ulcer characteristics. Mean percent reduction in ulcer area was 26.2% in the FAP group versus 15.2% in the placebo group (P =.94). One ulcer in each group was completely healed at study end. Levels of TIMP-1 increased significantly during FAP treatment. IL-8 concentration was significantly lower in wound fluid of healing ulcers than in the fluid of nonhealing ulcers, in both FAP and placebo groups. Growth factor levels were not modified with FAP treatment. CONCLUSION: Topical autologous platelets have no significant adjuvant effect on healing of chronic venous leg ulcers and increased wound fluid TIMP-1 concentration. Ulcer healing is associated with a decrease in wound fluid IL-8.

Administration, Topical↗

Phacoemulsification, primary posterior capsulorhexis, and capsular intraocular lens implantation for uveitic cataract.

PURPOSE: To evaluate the safety and efficacy of phacoemulsification, primary posterior capsulorhexis (PCCC), and primary intraocular lens (IOL) implantation for uveitic cataracts. SETTING: Institutional practice. METHODS: Fifteen consecutive eyes of 13 patients with various causes of uveitis received anterior capsulorhexis, phacoemulsification, PCCC, and in-the-bag implantation of a heparin-surface-modified IOL for visually disabling cataract. The safety and efficacy of the combined operation were studied prospectively. RESULTS: At a mean follow-up of 16.9 months (range 8 to 30 months), all eyes had a clear central visual area. Fourteen of 15 eyes (93.3%) had good visual improvement after surgery. Eight eyes (53%) achieved a best corrected visual acuity (BCVA) of 20/30 or better and 6 (40%), 20/20 or better. Seventy-three percent of eyes attained a BCVA of 20/80 or better. The mean improvement in visual acuity was 5.2 Snellen lines (range 0 to 11 lines). No cases of uveitis flare-up or other major complications related to the cataract surgery occurred. CONCLUSIONS: The study's preliminary results are encouraging and indicate that phacoemulsification, PCCC, and IOL implantation can be considered in patients with visually disabling uveitic cataract.

Adolescent↗

Prophylactic ondansetron is effective in the treatment of nausea and vomiting but not on pruritus after cesarean delivery with intrathecal sufentanil-morphine.

STUDY OBJECTIVES: To assess the safety and efficacy of ondansetron for prevention of pruritus, nausea and vomiting after cesarean delivery with intrathecal sufentanil-morphine. DESIGN: Randomized, double-blind, placebo-controlled study. SETTING: Referral center, institutional practice. PATIENTS: 100 nonbreastfeeding women undergoing elective cesarean delivery with sufentanil-morphine-bupivacaine anesthesia. INTERVENTIONS: After the umbilical cord was clamped, patients in Group 1 received ondansetron 8 mg intravenously (IV) and patients in Group 2 received placebo. MEASUREMENTS: Frequency and severity of postoperative (24-hour) pruritus, nausea and vomiting, surgical pain, and side effects related to ondansetron were recorded. MAIN RESULTS: In the ondansetron group, 38 patients had pruritus (16 mild and 22 severe) and 9 patients had nausea and vomiting (5 mild and 4 severe). In the placebo group, 41 patients had pruritus (21 mild and 20 severe) and 29 patients had nausea and vomiting (9 mild and 15 severe). The frequency and severity of the nausea and vomiting episodes were significantly reduced in the ondansetron group. Pain scores were comparable between groups. No side effects related to ondansetron were reported. CONCLUSIONS: Prophylactic IV ondansetron 8 mg is safe and effective in reducing the frequency and the severity of nausea and vomiting, but not pruritus, following cesarean delivery with intrathecal sufentanil-morphine.

Adult↗