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Effect of intraoperative paracetamol on catheter-related bladder discomfort: a prospective, randomized, double-blind study.

ABSTRACT: The insertion of urinary catheters during urinary surgical interventions may lead to catheter-related bladder discomfort (CRBD) in the postoperative period.We aimed to evaluate the effect of single-dose intravenous paracetamol on CRBD.In this randomized, controlled, double-blind study, 64 patients (age >18 years, American Society of Anesthesiologists Physical Status I-II) requiring urinary bladder catheterization for percutaneous nephrolithotomy were assigned to groups that received either intravenous paracetamol (15 mg/kg) (group P) or NaCl 0.9% solution (control group [group C]) 30 minutes before the end of surgery. Patients received patient-controlled analgesia (10-mg bolus of meperidine, without infusion, 20-minute lock out) postoperatively. CRBD and pain status were assessed at 30 minutes and 1, 2, 4, 6, and 12 hours postoperatively. Postoperative meperidine requirement and patient and surgeon satisfaction were assessed.Group P had significantly lower CRBD scores at all time points except at 12 hours postoperatively compared with group C (P < 0.05). Total meperidine consumption was significantly higher in group C (P < 0.05). Patient and surgeon satisfaction scores were significantly higher in group P (P < 0.05).Intraoperative single-dose paracetamol was found to be effective in reducing the severity of CRBD and pain in urologic surgery. We suggest that it may be an efficient, reliable, easy-to-apply drug for CRBD. ClinicalTrials.gov identifier: NCT01652183.

SUBMITTER: Ergenoglu P

PROVIDER: S-EPMC3955106 | biostudies-literature | 2012 Dec

REPOSITORIES: biostudies-literature

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Effect of intraoperative paracetamol on catheter-related bladder discomfort: a prospective, randomized, double-blind study.

Ergenoglu Pinar P Akin Sule S Yalcin Cok Oya O Eker Evren E Kuzgunbay Baris B Turunc Tahsin T Aribogan Anis A

Current therapeutic research, clinical and experimental 20121201 6

<h4>Background</h4>The insertion of urinary catheters during urinary surgical interventions may lead to catheter-related bladder discomfort (CRBD) in the postoperative period.<h4>Objective</h4>We aimed to evaluate the effect of single-dose intravenous paracetamol on CRBD.<h4>Methods</h4>In this randomized, controlled, double-blind study, 64 patients (age >18 years, American Society of Anesthesiologists Physical Status I-II) requiring urinary bladder catheterization for percutaneous nephrolithoto ...[more]

PMID: 24653520

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Project description:BackgroundRemifentanil, an ultra-short-acting opioid, is widely used for pain control during surgery. However, regular dose (RD) remifentanil exacerbates postoperative pain in a dose-dependent manner. Recent studies suggest that high-dose (HD) remifentanil offers sustained analgesia in experimental studies. We thus hypothesized that intraoperative administration of high-dose remifentanil may attenuate postoperative pain.MethodsIn this prospective, randomized, double blind, controlled clinical study, sixty patients undergoing thyroidectomy (18-60 years-of-age) received an intraoperative infusion of 0.2 (RD group) or 1.2 ?g kg(-1) min(-1) (HD group) remifentanil during thyroidectomy. A visual analogue scale (VAS) was used to measure pain intensity. Mechanical pain threshold on the forearm was assessed using von Frey filaments before surgery (baseline), 2 h postoperatively and 18-24 h postoperatively. The primary outcome was to compare the difference of VAS score at different time points after operation and morphine consumption 24 h postoperatively between RD and HD groups. The second outcome was to compare the difference of mechanical pain thresholds in the forearm postoperatively between RD and the HD groups.ResultsVAS scores were lower 30 min postoperatively in the HD group (1.29 ± 1.67, 95% CI 0.64-1.94) compared with the RD group (2.21 ± 1.67, 95% CI 1.57-2.84) (t = 3.427, p = 0.0043, RD group vs. HD group). Postoperative morphine consumption was much lower in the HD group compared with the RD group (1.27 ± 1.88 mg vs. 0.35 ± 1.25 mg, p = 0.033). In both groups, mechanical pain threshold was decreased 18-24 h postoperatively (2.93 ± 0.209 Ln(g) vs. 3.454 ± 2.072 Ln(g), p = 0.032 in RD group; 2.910 ± 0.196 Ln(g) vs. 3.621 ± 0.198 Ln(g), p = 0.006 in HD group, 18-24 h postoperatively vs baseline).ConclusionsIntraoperative administration of high-dose remifentanil decreased VAS scores and morphine consumption postoperatively. Thus, modulation of intraoperative opiates may be a simple and effective method of postoperative pain management.Trial registrationThis trial is registered in ClinicalTrials.gov, with the Name: Effect of Higher Doses of Remifentanil on Postoperative Pain in Patients Undergoing Thyroidectomy, and ID number: NCT01761149.

Project description:Catheter-related bladder discomfort (CRBD) is a distressing symptom complex after surgery, especially in male patients who have had urinary catheterization under general anesthesia. In this prospective, randomized, controlled trial, we compared dorsal penile nerve block (DPNB) with 0.33% ropivacaine with intravenous tramadol 1.5?mg?kg(-1) in prevention of CRBD, as well as the incidences of postoperative side effects. Fifty-eight male patients aged 18 to 50 years, undergoing elective liver surgery and limb surgery with urinary catheterization, were enrolled and divided randomly into 2 groups. In the DPNB group, patients were given dorsal penile nerve block with 15?mL of 0.33% ropivacaine, and in the tramadol intravenous administration (TRAM) group, patients were given 1.5?mg?kg(-1) tramadol after the completion of surgery before extubation. The primary outcome was the incidence of CRBD, and the secondary outcomes included the severity of CRBD, postoperative side effects, postoperative pain, and the acceptance of urinary catheterization. Patients were evaluated upon arrival to postanesthetic care unit (PACU), at 0.5, 1, 2, 4, and 6?hours after patients' arrival in the PACU for outcomes. The incidence of CRBD was significantly lower in the DPNB group than in the TRAM group, either upon arrival to PACU (10.3% vs 37.9%, P?=?0.015), or at 0.5?hours (3.4% vs 34.5%, P?=?0.003), 1?hours (3.4% vs 37.9%, P?=?0.001), 2?hours (6.9% vs 34.5%, P?=?0.010), and 4?hours (6.9% vs 27.6%, P?=?0.039) after patients' arrival in PACU. Compared with the TRAM group, the severity of postoperative CRBD upon arrival to PACU (P?=?0.011) and at 0.5?hours (P?=?0.005), 1?hours (P?=?0.002), 2?hours (P?=?0.005), 4?hours (P?=?0.017), and 6?hours (P?=?0.047) after patients' arrival in PACU were all significantly reduced in the DPNB group. The incidences of postoperative nausea, vomiting, dizziness, and sedation were decreased significantly in the DPNB group compared with the TRAM group (P?<?0.05). The acceptance of urinary catheterization was 93.1% (27/29 patients) in the DPNB group and 58.6% (17/29 patients) in the TRAM group, respectively (P?<?0.001).DPNB with ropivacaine has a better effect for CRBD reduction and less side effects than intravenous tramadol administration. The trial has been registered at www.clinicaltrials.gov (NCT01721031).

Project description:Gastrointestinal (GI) discomfort, e.g. bloating or rumbling, is a common symptom in otherwise healthy adults. Approximately 20% of the population, particularly women suffer from gastrointestinal discomfort and this affects quality of life. Recent studies discovered a link between the body and mind, called the gut-brain axis. Psychosocial factors, such as e.g. daily stress may cause altered gut physiology leading to ileum contractions and consequently gastrointestinal symptoms. In vitro and ex vivo studies clearly showed that a Perilla frutescens extract combines prokinetic, antispasmodic and anti-inflammatory effects. The aim of the intervention was to investigate the effects of the proprietary Perilla extract on GI discomfort in healthy subjects with gastrointestinal discomfort and reduced bowel movements in comparison to a placebo product.The pilot study was performed according to a double-blind, randomized, placebo-controlled parallel design. Fifty healthy subjects with gastrointestinal discomfort and reduced bowel movements, 30-70 years, documented their GI symptoms, stool frequency and consistency daily during a 2-week run-in phase and a 4-week intervention phase with Perilla frutescens extract or placebo. GI symptoms were assessed on a 5-point scale daily and average scores over 14 days intervals were calculated.All GI symptoms were significantly improved over time by Perilla frutescens extract during the intervention phase (bloating: -0.44±0.56, p=0.0003; passage of gas: -0.30±0.66, p=0.0264; GI rumbling: -0.55±0.87, p=0.0014; feeling of fullness: -0.36±0.72, p=0.0152; abdominal discomfort: -0.54±0.75, p=0.004), whereas in the placebo group only abdominal discomfort was significantly improved (-0.31±0.55, p=0.0345). In the subgroup of women results were strengthened and a subscore out of bloating and abdominal discomfort was significantly improved against placebo (95%CI 0.003 to 0.77; p=0.048).The demonstrated effects of Perilla frutescens extract to improve GI complaints offer very promising results, taking into consideration the challenging set up of a nutritional human study with healthy subjects and in the area of digestive health, which is known for high placebo effects.NCT01931930 at ClinicalTrials.gov, Registration date 23rd August 2013.

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Effect of intraoperative paracetamol on catheter-related bladder discomfort: a prospective, randomized, double-blind study.

Publications

Effect of intraoperative paracetamol on catheter-related bladder discomfort: a prospective, randomized, double-blind study.

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