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PubMed1999

Peroperative treatment with i.v. ketoprofen reduces pain and vomiting in children after strabismus surgery.

BACKGROUND: Strabismus surgery is associated with both pain and vomiting. Ketoprofen is widely used in adults to treat acute pain, but there are only few reports of its use in children. This randomised, double-blind, placebo-controlled, parallel group study was designed to investigate the analgesic effect of i.v. ketoprofen and its effect on the incidence of vomiting in children after day-case strabismus surgery. METHODS: Fifty-nine ASA 1 children, aged 1-12 years, entered the study. After premedication with diazepam and glycopyrronium, anaesthesia was induced with fentanyl and propofol and maintained with isoflurane. After induction the children in the ketoprofen group received 1 mg kg-1 ketoprofen followed by an infusion of 1 mg kg-1 ketoprofen over 2 h. In the placebo group, children received 0.9% saline. The postoperative pain was assessed by the Maunuksela pain score (0 = no pain, 10 = worst possible pain). All children received fentanyl as a rescue analgesic if the Maunuksela score was > or = 3. RESULTS: In the ketoprofen group the number of fentanyl doses was smaller compared to the placebo group (median 1, quartiles (0-2) vs. 2 (1-3), P = 0.047). The children in the ketoprofen group had less pain at 30 min (P = 0.02) and the worst pain observed in the post anaesthesia care unit was lower (3 (0-6) vs. 5 (3-8), P = 0.035). The incidence of vomiting was less in the ketoprofen group compared to the placebo group (17% vs. 41%, P = 0.036). No serious adverse reactions occurred. CONCLUSION: We concluded that ketoprofen administered i.v. during the operation produced analgesia and reduced opioid consumption and the incidence of vomiting in children after strabismus surgery.

Ambulatory Surgical Procedures↗
PubMed1999

The effects of tramadol on postoperative nausea, vomiting and headache after ENT surgery. A placebo-controlled comparison with equipotent doses of nalbuphine and pethidine.

BACKGROUND: Opioids given as adjuncts to balanced inhalational anaesthesia augment postoperative nausea and vomiting (PONV). Tramadol, equipotent to pethidine, does not depress respiration, but can cause an increase in blood pressure and headache via its monoaminergic actions. Nalbuphine, ten times as potent as pethidine, has a ceiling respiratory depressant and ceiling analgesic effect at > 0.3 mg.kg-1. We compared the effects of equipotent doses of tramadol and nalbuphine (3.0 and 0.3 mg.kg-1, respectively) given as analgesic with induction of anaesthesia on emesis during recovery from anaesthesia and on PONV and headache until 24 h after ENT surgery, using saline (0.2 ml.kg-1) and an equipotent dose of pethidine (1.5 mg.kg-1) as controls. METHOD: The study population (N = 281) comprised 4 comparable subgroups (N = 69 to 71 each). Anaesthetic medications were standardised. Emesis during recovery from anaesthesia and nausea, vomiting, retching, headache and administrations of antiemetic and analgesics until 24 h after surgery were recorded. RESULTS: Emesis and antiemetic requirements during recovery from anaesthesia were similar and infrequent in each group, as were the incidences of nausea alone (3 to 5%), vomiting alone (17 to 31%), and nausea with vomiting (10 to 22%) during the first 24 h after surgery. However, any complaint of PONV was least frequent in the saline and pethidine groups (32% and 37%, respectively) and most frequent in the tramadol and nalbuphine groups (49% and 52%, respectively; P < 0.05 versus saline, both comparisons; P = NS versus pethidine, both comparisons). The times to onset and severity of PONV were similar in each group, but patients given nalbuphine most frequently (P < 0.025) needed rescue antiemetic to treat PONV. Headache occurred with similar frequency in each group. CONCLUSION: It is concluded that tramadol, nalbuphine and pethidine have similar emetic effect in the doses and manner used, and that tramadol does not increase the incidence of post-operative headache when used as peroperative analgesic.

Adolescent↗
PubMed2000

Electrical stimulation of the vestibular system prevents postoperative nausea and vomiting.

BACKGROUND: Electrical stimulation of the vestibular system may prevent nausea and vomiting. We studied the influence of transcutaneous impulse stimulation in prevention of postoperative nausea and vomiting (PONV) following gynaecological surgery. METHODS: In this randomised study 70 women undergoing elective gynaecological surgery under general anaesthesia were assigned to receive either the activated (stimulation group) or the inactivated (non-stimulation group) impulse stimulator. The stimulator comprises the stimulator itself, two negative electrodes on a headset applied over both mastoid processes and a nuchal positive electrode. The device yielded a pulse frequency of 5 Hz direct current, individually adjustable between 0.5 and 4 mA. A trapezoid stimulation of 50 ms was applied. Nausea, vomiting, dizziness and the amount of antiemetic drugs used were assessed during the first 4 h postoperatively. RESULTS: Lower postoperative nausea scores with a lower incidence of vomiting and postoperative dizziness were found in the stimulation group. A lower amount of antiemetic drugs was needed in the stimulation group when compared to the non-stimulation group (P<0.01 between groups). CONCLUSION: This study suggests that electrical stimulation of the vestibular system may be useful in prevention of PONV.

Adult↗
PubMed2003

Diarrhoea, vomiting and ACE inhibitors:--an important cause of acute renal failure.

The occurrence of severe acute renal failure in 3 patients who developed diarrhoea while taking angiotensin converting enzyme (ACE) inhibitors led us to undertake a retrospective cohort survey to determine the frequency with which diarrhoea and vomiting are associated with acute renal failure in patients taking this class of drug. Serum creatinine was measured as part of the diagnostic workup of 2398 consecutive admissions to an acute medical receiving unit in a district general hospital. Outcome measures were the presence of diarrhoea and/or vomiting, and whether taking an ACE inhibitor, NSAID or diuretic at the time of admission, also previous, initial and follow up serum creatinine concentrations. Peak serum creatinine in the 3 cases was 1159, 989 and 765 micromol/l. None of the 3 required dialysis and all recovered renal function completely after receiving large volumes of intravenous fluid. In the cohort study, 89 of 2398(3.7%) admissions had serum creatinine >/=200 micromol/l. Nine were regular dialysis patients. Of the remaining patients, 30 (37.5%) were taking an ACE inhibitor. Six of 30 (20%) gave a history of diarrhoea and/or vomiting. Median creatinine concentration in this group was 135 (range 111-209) micromol/l before admission, 292 (216-724) micromol/l when first seen in hospital, and 134 (94-219) micromol/l following the withdrawal of drug therapy and fluid replacement. In conclusion, volume depletion causing acute renal failure in patients taking ACE inhibitors is not uncommon. Such patients and their general practitioners should be aware that reversible renal impairment may occur during intercurrent illnesses, particularly if characterised by diarrhoea and/or vomiting.

Acute Kidney Injury↗
PubMed2000

Menstrual cycle irregularity and the incidence of nausea and vomiting after laparoscopy.

Gender is an important risk factor for postoperative nausea and vomiting. Menstrual cycle phase has also been implicated as a further variable in female patients. It is not clear whether a history of an irregular menstrual cycle is a significant variable and studies to date have not examined this. The influence of an irregular menstrual cycle on nausea and vomiting after laparoscopy was evaluated in a blinded, prospective, observational study. One hundred and fifty-nine patients scheduled for laparoscopy and dye investigation were included. Anaesthetic technique and postoperative analgesia were standardised. In comparison with patients who had a regular cycle, an irregular menstrual cycle increased the incidence of nausea or vomiting from 20.5% to 40.5% (absolute difference 20%; 95% CI 0.03-0.37, p = 0.01). Other variables were similar between the groups. An irregular menstrual cycle appears to increase the risk of postoperative nausea and vomiting.

Adult↗
PubMed2002

The effect of dexamethasone upon patient-controlled analgesia-related nausea and vomiting.

Ninety female patients were enrolled in this randomised, double-blind, placebo-controlled study to compare the anti-emetic effect of intravenous dexamethasone 8 mg with saline control in preventing patient-controlled analgesia-related nausea and vomiting following major orthopaedic surgery. The prophylactic administration of dexamethasone 8 mg significantly reduced the overall incidence of patient-controlled analgesia-related nausea and vomiting (p<0.001) and the need for rescue anti-emetics (p<0.01). Furthermore, patients who received dexamethasone showed a higher incidence of complete responses (no vomiting or need for rescue anti-emetic for a 24-h postoperative period) than those who received saline (p<0.05). We conclude that dexamethasone 8 mg may be valuable for preventing patient-controlled analgesia-related nausea and vomiting in women undergoing major orthopaedic surgery.

Adult↗
PubMed2003

A comparison of cyclizine, ondansetron and placebo as prophylaxis against postoperative nausea and vomiting in children.

Nausea and vomiting is a relevant and common problem with unfavourable sequelae in children undergoing some plastic surgery procedures. There is a lack of anti-emetic trials performed in children, with only a few investigating the roles of the older anti-emetic agents such as cyclizine compared with newer ones such as ondansetron. This randomised, controlled, double-blind study examined the effectiveness of a single dose of ondansetron (0.1 mg x kg-1), cyclizine (20 mg) and placebo (normal saline) in the prevention of postoperative nausea and vomiting in 150 children (mean age 3.6 years) undergoing plastic genitourinary procedures. Rates of previous postoperative nausea and vomiting and motion sickness were comparable across the groups. Postoperative vomiting was significantly reduced with ondansetron prophylaxis (p = 0.006) but there was no detectable anti-emetic effect with cyclizine. Furthermore, cyclizine caused pain on injection (p < 0.001).

Analgesics, Opioid↗
PubMed1998

The effect of duration of dose delivery with patient-controlled analgesia on the incidence of nausea and vomiting after hysterectomy.

AIMS: Postoperative nausea and vomiting (PONV) may be exacerbated by postoperative opioid analgesics and may limit patients' successful use of these medications when used with patient controlled analgesia (PCA). We tested the hypothesis that the rapid change in blood morphine concentration associated with PCA bolus delivery contributed to PONV, and that prolonging its delivery to a brief infusion would result in decreased PONV. METHODS: Patients, who were receiving morphine for pain relief via patient-controlled analgesia (PCA) after total abdominal hysterectomy, received 1 mg morphine sulphate incremental doses either over 40 s with a 5 min lockout interval or over 5 min delivery with a 1 min lockout interval. Episodes of nausea, retching and vomiting, along with the use of morphine and the pain relief obtained, were recorded. RESULTS: Data from 20 patients in each group were analysed. Contrary to expectations, most patients in both groups reported nausea postoperatively. Those patients receiving morphine over 5 min experienced more episodes of emesis (36) than those receiving the dose over 40 s (17). Most patients receiving the 40 s doses vomited in the first 12 h (median time 8 h), while those receiving the 5 min doses vomited between 12 and 24 h (median time 19 h) (P = 0.01). There were no differences between groups in the visual analogue pain scores or use of morphine between groups. CONCLUSIONS: Reasons for these unexpected findings remain speculative. The high incidence of PONV appears to be inherently high in gynaecological surgery patients and standard antiemetic medication regimens appear to be poorly efficacious. Reasons for the differences in the time-course of emetic episodes between the two groups may be related to differences in the time-course of central opioid receptor occupancy.

Adult↗
PubMed1996

Comparison of ondansetron and metoclopramide for the prevention of post-operative nausea and vomiting after major gynaecological surgery.

The efficacy of ondansetron 4 mg was compared with metoclopramide 10 mg for the prevention of post-operative nausea and vomiting in patients after major gynaecological abdominal surgery. Anaesthesia was standardized using thiopentone, atracurium and methadone for induction followed by isoflurane in nitrous oxide-oxygen mixture. Fifty patients were randomized in a double-blind fashion to either receive intravenous (i.v.) ondansetron 4 mg or metoclopramide 10 mg during closure of the pelvic peritoneum. The incidence and frequency of vomiting, and the incidence of severe nausea was recorded for 24 h after surgery. One patient was excluded because of respiratory depression. In the first 4 h after surgery, five patients (20%) in the ondansetron group (n = 25) and eight patients (33%) in the metoclopramide group (n = 24) vomited, whereas at 4-12 h, this increased to 11 patients (44%) and nine patients (37.5%) respectively. The incidence was 52 and 37.5% respectively in the subsequent 12-24 h. The highest incidence of nausea was in the first 4 h after surgery, being 56 and 37.5% in the ondansetron and the metoclopramide groups respectively. This decreased to less than 25% in both groups in the 12-24 h period. Ondansetron 4 mg and metoclopramide 10 mg had similar but short lasting efficacy for the prevention of vomiting in patients who received continued opioid analgesia after major gynaecological surgery.

Adolescent↗
PubMed1997

Comparison of metoclopramide and ondansetron for the prevention of nausea and vomiting after intrathecal morphine.

Nausea and vomiting remain unpleasant side effects of intrathecal (i.t.) morphine and of the numerous therapies tried, only prophylactic intravenous (i.v.) metoclopramide has been reported to be promising. Seventy-three patients, scheduled for orthopaedic prosthesis surgery of the hip or knee were studied. They received 4 mL of plain bupivacaine and 0.3 mg of preservative-free morphine i.t. for anaesthesia. The test drugs given in a double-blind and randomized fashion, were either metoclopramide 20 mg, three times, at 6 h intervals (23 patients), ondansetron, 8 mg, twice, at 12 h intervals (25 patients), or 0.9% saline three times, at 6 h intervals (25 patients). The occurrence of nausea, vomiting and pain was followed for 24 h. The incidences of nausea and vomiting were 60% (15/25) and 56% (14/25) in the saline group, 52% (12/23) and 48% (11/23) in the metoclopramide group, and 52% (13/25) and 40% (10/25) in the ondansetron group. Incidences of severe vomiting were 24, 35 and 12% respectively. Eight patients in the saline group, seven in the metoclopramide and 10 in the ondansetron group did not need additional opioids for post-operative pain relief. We conclude that, metoclopramide and ondansetron were not better than saline in the prevention of post-operative emesis induced by intrathecal morphine.

Aged↗
PubMed1999

Parents associated with children in measuring acute and delayed nausea and vomiting.

The purpose of this study was to identify the relationship between parents and children in measuring children's acute and delayed nausea and vomiting induced by cancer chemotherapy. Twenty parent-child dyads participated in the study. Both instruments: Adapted Rhodes Index of Nausea and Vomiting by parent and by child (8-18 years old) were used every 12 h. The reliability and validity of these instruments have been established. There were significantly moderate to strong associations between parents and children in measuring these symptoms from Day 1 to Day 3 (total scores: r = 0.85-0.93; nausea scores: r = 0.67-0.93; and vomiting scores: r = 0.91-0.99, all P < 0.01). Therefore, parents' observation of their children's symptoms was strongly associated with their child's self-report of symptoms. Parents were able to assess their children's acute and delayed nausea and vomiting because in this sample almost all parents accompanied their children all day long.

Acute Disease↗
PubMed2002

Control of nausea and vomiting after chemotherapy: what is the evidence?

The control of nausea and vomiting is an important problem for patients undergoing chemotherapy. With the introduction of newer agents, including 5-HT3 antagonists, nausea and vomiting control after chemotherapy has much improved but is not always optimal. While there is an intrinsic limitation to the efficacy of anti-emetic drugs, their efficacy can be further reduced if the drugs are not used appropriately. In some circumstances newer anti-emetics may be unnecessary and better nausea and vomiting control may be established by use of older agents. This paper summarizes current evidence regarding the optimal approach to management of nausea and vomiting in patients undergoing chemotherapy.

Antiemetics↗
PubMed1999

Incidence of nausea and vomiting in children after strabismus surgery following desflurane anaesthesia.

In a prospective, randomized parallel study, 60 ASA I-III children aged 1-17 years, scheduled for elective strabismus surgery, were anaesthetized with desflurane without prophylactic antiemetic medication. The objective of the study was to determine the incidence of postoperative nausea and vomiting after general anaesthesia with desflurane. To decide whether nitrous oxide further influences these symptoms, the patients were randomly assigned to two groups of 30 patients each. One group received desflurane in oxygen/air and a second group received desflurane in oxygen/nitrous oxide. In all children, after intravenous induction and tracheal intubation, anaesthesia was administered as minimal flow anaesthesia with oxygen and nitrous oxide or air according to the random plan. The patients were observed for 48 postoperative hours until their discharge from the ward. The overall incidence of nausea was found to be 37%, and vomiting was seen in 32% of all patients. No statistical correlation was found between the incidence of postoperative emesis and the administration of nitrous oxide or the duration of general anaesthesia. Instead, the incidence of vomiting was 2.5-fold higher when surgery was performed on both eyes compared with one eye. The relatively low incidence of postoperative nausea and vomiting, as well as the quick recovery from anaesthesia, permitting an early discharge from the postoperative care unit to the ward, show desflurane to be a suitable volatile anaesthetic in strabismus surgery in children.

Adolescent↗
PubMed2000

Tropisetron reduces postoperative vomiting in children undergoing tonsillectomy.

In this patient, parent and investigator blinded, randomized, placebo-controlled study, children undergoing tonsillectomy (mean age 6.4 years) received either intravenous placebo (n=36) or tropisetron 0.2 mg.kg-1 up to 5 mg (n=35) at induction of anaesthesia with halothane, nitrous oxide and oxygen. Morphine and paracetamol were given in theatre for postoperative pain. Episodes of vomiting were recorded during the first 24 h after surgery. Intravenous tropisetron was significantly (P<0.001, chi-squared) more effective than placebo in controlling the incidence and frequency of emesis during the first 24 h: vomiting was reduced from 89% to 46% and the mean number of vomits from 4.6 to 2.4. Minor side-effects occurred equally in both the placebo and active groups. Intravenous tropisetron is an effective and safe antiemetic for reducing postoperative vomiting in children undergoing tonsillectomy or adenotonsillectomy.

Anesthesia, Inhalation↗
PubMed2001

Impact of an antiemetic protocol on postoperative nausea and vomiting in children.

The objective of the study was to demonstrate a decreased incidence of postoperative nausea and vomiting (PONV) in children through the use of an antiemetic protocol. PONV was recorded in children (1.5-15 years) after inpatient surgery under general anaesthesia in a prospective, interview based survey. Group 1 consisted of children having surgery 1 month before the introduction of a formalized antiemetic protocol and group 2, 2 months after its introduction. Data were collected over a 1-month period in each group. Outcome measures of nausea, emesis, antiemetic requirement and patient satisfaction were monitored for the first 24-h postoperative period. There were 272 children enrolled: 138 in group 1 and 134 in group 2. There was a difference between the two groups for gender (P=0.03), type of surgery (P=0.017), perioperative opioid (P=0.003) and perioperative antiemetic use (P=0.024). However, multivariate analysis did not demonstrate an impact on outcome from these factors. The incidence of postoperative nausea (PON) and postoperative vomiting (POV) following the introduction of the protocol was 36% and 34%, respectively. Moderate to severe nausea was decreased after introduction of the protocol (18% versus 9%, P=0.028) but moderate to severe vomiting failed to reach significance (19% versus 11%, P=0.078). The proportion of children who had repeated nausea decreased after the introduction of the protocol (17% versus 8%, P=0.02) but repeated episodes of vomiting remained unchanged (19% versus 14%). This was attributed to a significant increase in antiemetic prescribing by protocol in group 2 (10% versus 59%, P < 0.001). Patient satisfaction was high in both groups (85% versus 90%). The introduction of a postoperative antiemetic protocol improved prescribing frequency. This resulted in a decreased incidence of moderate to severe PON and a reduction in the number of patients with repeated nausea.

Adolescent↗
PubMed2002

Anaesthesia with sevoflurane in children: nitrous oxide does not increase postoperative vomiting.

BACKGROUND: Nitrous oxide (N2O) has been associated with postoperative nausea and vomiting (PONV), but some studies show conflicting data. The aim of this study was to assess whether the combination of N2O/sevoflurane, in paediatric general anaesthesia, increases the incidence of vomiting in the 24 h following surgery compared with sevoflurane alone. METHODS: One hundred and fourteen children, aged 1-10 years, who underwent testicle and inguinal hernia surgery, were randomized to receive one of the following two anaesthetic regimens: sevoflurane with 70% N2O (group A) or sevoflurane alone (group B). RESULTS: No significant differences were observed in the incidence of postoperative vomiting between the two groups. The overall incidence of postoperative vomiting was 14.9%; 14.3% in group A and 15.5% in group B (P=0.9). CONCLUSIONS: Nitrous oxide used in combination with sevoflurane is not associated with an increase in the incidence of emesis in children who undergo testicle and inguinal hernia procedures.

Anesthesia, General↗
PubMed2003

Dolasetron for the prevention of postoperative vomiting in children undergoing strabismus surgery.

BACKGROUND: Children undergoing strabismus surgery have a high incidence of postoperative vomiting (POV). The purpose of this study was to assess the efficacy and safety of dolasetron for the prevention of emesis comparing a single 0.35 mg.kg-1 or 12.5 mg dose with placebo. METHODS: Children aged 2-12 years with an ASA status of 1 or 2 undergoing strabismus surgery were randomized in a double-blind manner to one of three treatment groups. Patients were excluded with a history of previous postoperative vomiting or motion sickness, allergy to serotonin receptor antagonists or previous antiemetic administration within 24 h prior to enrollment. General anaesthesia was induced with sevoflurane and N2O/O2 and maintained with isoflurane and N2O/O2. The study medication was administered 15 min prior to the end of surgery. Patients experiencing two or more episodes of vomiting were rescued in the postanaesthesia care unit (PACU) with metoclopramide 0.15 mg.kg-1. A total of 118 patients were enrolled with documentation of the number and severity of vomiting episodes, time to awakening, PACU length of stay and postoperative agitation. RESULTS: Patients with an acute complete response (ACR), defined as no emetic episodes and no rescue medication within 24 h of study drug administration were 62% (weight dose), 64% (fixed dose) and 33% (placebo, P < 0.05). CONCLUSIONS: There was no statistical difference between the 0.35 mg.kg-1 dose and the fixed 12.5 mg dose of dolasetron with both reducing the incidence of POV.

Acetaminophen↗
PubMed2002

Ictal vomiting in association with left temporal lobe seizures in a left hemisphere language-dominant patient.

Ictal vomiting is considered a localizing sign indicating nondominant lateralization in patients with partial seizures of temporal lobe origin. We report a case of ictal vomiting associated with left temporal seizure activity in a left hemisphere language-dominant patient with a left mesial temporal glioma. Bilateral mesial temporal depth electrodes helped verify seizure lateralization. Surgery consisting of tumor resection and a left anterior temporal lobectomy and amygdalohippocampectomy resulted in freedom from seizures and episodes of vomiting. This case indicates that ictal vomiting can occur as a manifestation of left temporal onset seizures in left hemisphere-dominant patients.

Adolescent↗