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PubMed1983

Comparison of oral pentazocine, oral diazepam and intramuscular pentazocine for paediatric premedication.

Oral pentazocine-atropine, oral diazepam-atropine and IM pentazocine-atropine were compared as preoperative medication in children. Observations in 300 children ages 1-14 years included the emotional state at time of induction of anaesthesia, smoothness of induction, dryness of oral mucosa and tongue, incidence of vomiting, and emotional state and length of stay in the recovery room. The incidence of a calm state at the time of induction and smoothness of induction of anaesthesia was the same following oral and IM premedication. There was satisfactory drying of salivary secretions. The incidence of vomiting in the recovery room was the same following oral and IM premedication. However, children in age groups 1-4 and 5-9 years who received diazepam-atropine were more restless in the recovery room than those who received oral or IM pentazocine-atropine. More children in groups 1-4 and 5-9 years who received IM pentazocine-atropine stayed longer in the recovery room. We conclude that oral diazepam-atropine and oral pentazocine-atropine are comparable as to preoperative medication IM pentazocine-atropine and that they can be given as an alternate to intramuscular injection.

Administration, Oral↗
PubMed2002

Cost analysis of tubal anastomosis by laparoscopy and by laparotomy.

STUDY OBJECTIVE: To compare the costs of tubal anastomosis performed by laparoscopy and by laparotomy. DESIGN: Cost analysis study using the hospital administrative database (Canadian Task Force classification II-2). SETTING: University teaching hospital. PATIENTS: Eighty-nine women. Intervention. Tubal anastomosis by laparoscopy (43) and by laparotomy (46). MEASUREMENTS AND MAIN RESULTS: Tubal anastomosis took longer when performed by laparoscopy than by laparotomy; however, the total time patients spent in the operating room was similar. Women treated by laparoscopy spent more time in the recovery room. Labor costs for nurses in the operating room and recovery room costs were significantly higher in the laparoscopy group. Costs for operating room supplies were similar. Pharmacy costs and expenses in the ward were lower in the laparoscopy group. The mean total cost for laparoscopic tubal anastomosis was $861 +/- 137 and for laparotomy was $1348 +/- 188 (p <0.001). CONCLUSION: Laparoscopic tubal anastomosis costs less than tubal anastomosis by laparotomy.

Anastomosis, Surgical↗
PubMed2003

Closing the audit loop--prevention of perioperative hypothermia: audit and reaudit of perioperative hypothermia.

BACKGROUND AND OBJECTIVE: Perioperative hypothermia is generally regarded as undesirable, but its incidence rate in the elective procedures in our hospital and the effect of the preventative measures taken against it were unknown. An initial audit indicated that postoperative hypothermia occurred. Therefore, changes in practice were implemented to address the problem. A further audit was then undertaken to assess the impact of these measures. METHODS: The first audit recorded data from 177 patients undergoing major elective surgical procedures. Variables recorded were: ASA classification, duration of operation, use and description of preventative measures for hypothermia, blood loss, intravenous fluids, and core and peripheral temperatures on arrival and discharge from the recovery room. The subsequent audit included 158 patients undergoing major general, orthopaedic or vascular surgical procedures. Patients had core temperatures measured preoperatively, immediately upon arrival in the recovery room, and just before discharge back to the ward. Core temperatures in both audits were measured using an infrared temperature probe. RESULTS: The mean body temperature on arrival in the recovery room of patients in the initial audit was 35.5 degrees C (range 32.2-37.2, SD +/- 0.74), and in the subsequent audit 36.6 degrees C (33.6-38.2, +/- 0.72). These differences reached significance (P < 0.0001). This was despite an average duration of surgery of 133.5 (25-330) min in the initial study compared with 154.7 (90-480) min subsequently. CONCLUSIONS: We found that with simple but consistently implemented changes in practice, postoperative hypothermia in elective patients could largely be eradicated.

Anesthesiology↗
PubMed1987

Femoral nerve block with bupivacaine 0.25 per cent for postoperative analgesia after open knee surgery.

An assessment was made, in a randomised double-blind fashion, of the pain relief afforded by femoral nerve block (FNB) performed at the end of ligament reconstruction of the knee, using 0.25 per cent bupivacaine in ten patients, and normal saline in ten patients. All patients commenced "continuous passive motion" (CPM) of the operated knee after arrival in the Recovery Room. The postoperative analgesic requirement, both for intravenous fentanyl in the Recovery Room, and intramuscular and oral analgesia on the ward, was then studied. The time interval between FNB and first dose of analgesia was significantly longer in the bupivacaine group than in the control group. The bupivacaine group also required significantly less intravenous fentanyl in the Recovery Room. On the ward, there was no difference between the two groups in the total dose of intramuscular meperidine given in the first 12 hours postoperatively. We conclude that femoral nerve block is a useful adjunct in pain management after ligament reconstruction of the knee, especially in the early postoperative period, but does not decrease the total intramuscular dose of analgesia in the first 12 postoperative hours.

Bupivacaine↗
PubMed1996

"Just in time" decision making for ICU care after carotid endarterectomy.

BACKGROUND: Many patients undergoing carotid endarterectomy (CE) do not require active intensive care unit (ICU) care (AIC). Until recently, all patients spent 24 hours postoperatively in an ICU, but many of these patients were simply monitored and did not need unique ICU services. METHODS: To aid in developing a selective policy for ICU admission following CE, we reviewed preoperative risk factors, recovery room course, and total hospital stay of 126 patients for 2 years when postoperative ICU admission was routine. Preoperative assessment included presence or absence of cardiac disease, hypertension, severe respiratory disease, diabetes, arrhythmia, renal failure, and a Goldman cardiac risk score. The operative, recovery room, and ward records were reviewed for conditions requiring AIC. Requirement for AIC was defined as need for infusion of vasoactive, bronchodilator, or antiarrhythmic medication beyond the recovery room period. In addition, treatment for coronary ischemia or MI, need for active diuresis, perioperative neurological event, or requirement for mechanical ventilation were indications for AIC. RESULTS: There were 132 CEs in 126 patients; 37% required AIC as defined above. When patients who required AIC were compared with patients not requiring AIC, the only significant difference was the number of risk factors per patient. Goldman cardiac risk class I patients were at less risk for cardiac morbidity than the combined Class II and III patients. CONCLUSIONS: In an individual patient, preoperative risk assessment does not aid in predicting the need for AIC following CE. Selection of patients for ICU admission following CE can be accurately determined by a short period of recovery room observation.

Aged↗
PubMed1985

Halothane anesthesia in infancy: identification and correlation of preoperative risk factors with intraoperative arterial hypotension and postoperative recovery.

Infants are well known to be sensitive to the myocardial depressant effects of halothane. In this study of more than 300 infants, 0 to 24 weeks of age, who received halothane anesthesia, preoperative risk factors were correlated with intraoperative outcome and postoperative recovery. Possible risk factors considered were age, history of respiratory distress syndrome (RDS), preoperative fasting time, and anemia. Intraoperative morbidity was evaluated by occurrence of significant hypotension, slow heart rates, or serious bradycardias. Parameters of postoperative recovery included postanesthetic recovery room admission score, duration of recovery room stay, and time to first feeding. Arterial hypotension occurred with an unexpectedly high frequency of 49.2%. Infants younger than 8 weeks of age (particularly newborns), infants 9-16 weeks of age (fasting eight or more hours), and RDS survivors 0-16 weeks of age were found to be most susceptible to hypotension. Only age and history of RDS, however, proved to be statistically significant risk factors in predicting the probability of intraoperative circulatory depression. Though circulatory depression during halothane inhalation was common, it was not associated with significant intraoperative or postoperative morbidity in terms of cardiorespiratory arrests, serious dysrhythmias, prolonged postanesthetic recovery, or delayed feeding times.

Age Factors↗
PubMed1997

The effect of timing of ondansetron administration in outpatients undergoing otolaryngologic surgery.

A randomized, double-blind, placebo-controlled study was designed to compare the relative efficacy of prophylactic ondansetron, 4 mg intravenously (IV), when administered before induction of anesthesia or at the end of surgery to an outpatient population at high risk of developing postoperative nausea and vomiting (PONV). Patients undergoing otolaryngologic surgery were randomly assigned to one of three different treatment groups: Group 1 (placebo) received saline 5 mL prior to induction of anesthesia and again at the end of surgery; Group II received ondansetron 4 mg in 5 mL prior to induction of anesthesia and saline 5 mL at the end of surgery; and Group III received saline 5 mL prior to induction of anesthesia and ondansetron 4 mg at the end of surgery. All patients received the same general anesthetic technique. A standardized regimen of rescue antiemetics was administered in the recovery room to patients with > or = 2 emetic episodes or at the patients request for persistent nausea. Episodes of nausea and vomiting, as well as the need for rescue antiemetics, were recorded for 24 h after the operation. The incidences of nausea and emesis in the recovery room after prophylactic ondansetron, 4 mg IV, administered either before induction (68% and 20%, respectively) or at the end of surgery (60% and 4%, respectively) were not significantly decreased compared to the placebo control group (80% and 12%, respectively). However, when ondansetron was administered at the end of the operation, it significantly reduced the need for rescue antiemetics in the recovery room (36% vs 64% in the control group). The postanesthesia care unit and hospital discharge times were similar in all three study groups. One patients in Group II and one patient in Group III were hospitalized because of intractable symptoms related to PONV. After discharge from the ambulatory surgery unit, the incidence of nausea, vomiting, and the need for rescue antiemetic drugs were similar in all three treatment groups. In conclusion, ondansetron (4 mg IV) was more effective in reducing the need for rescue antiemetics in the recovery room when administered at the end versus prior to the start of otolaryngologic surgery. Therefore, when ondansetron is used for antiemetic prophylaxis in outpatients undergoing otolaryngologic procedures, it should be administered at the end of the operation rather than prior to induction of anesthesia.

Adult↗
PubMed1986

[Prevention of hypertensive attacks after carotid surgery. The value of nifedipine and diltiazem].

A randomized study was carried out to determine whether postoperative administration of either intranasal nifedipine or intravenous diltiazem was effective in preventing hypertensive episodes after carotid endarterectomy. Sixty-three consecutive patients undergoing this surgery were randomly assigned to three groups (n = 21): control (C), nifedipine (N) and diltiazem (D). Anaesthesia was induced with flunitrazepam (0.02 mg X kg-1), fentanyl 6 micrograms X kg-1 and pancuronium (0.1 mg X kg-1), and maintained by N2O/O2 (50%), additional fentanyl and halothane or enflurane when warranted. Postoperatively, patients were warned whilst under mechanical ventilation in a recovery room. Upon arrival in the recovery room, intranasal nifedipine (10 mg) was given to patients included in group N, while patients from group D received an intravenous dose of 0.3 mg X kg-1 of diltiazem, followed by a continuous infusion of 3 micrograms X kg-1 X min-1 until 15 min after extubation. No preventive treatment was given to patients in group C. If postoperative systolic blood pressure rose to more than 180 mmHg, 10 mg of nifedipine were administered intranasally. During the postoperative period, 13 patients from group C, 5 from group N and 4 from group D exhibited hypertensive episodes (systolic blood pressure greater than 180 mmHg or diastolic blood pressure greater than 100 mmHg). Intranasal administration of 10 mg nifedipine led to the normalization of blood pressure in 20 out of these 22 patients. This study confirmed the high incidence of hypertensive attacks after carotid endarterectomy, and showed that prophylactic administration of nifedipine or intravenous diltiazem was highly effective in preventing such hypertensive episodes.

Aged↗
PubMed1983

Transcutaneous electrical nerve stimulation for postlaparotomy pain.

This study was designed to evaluate the transcutaneous electrical nerve stimulation (TENS) postoperative program administered by a physical therapy department. A surgeon, a physical therapist, a recovery room nurse, and unit nurses participated in the program which included preoperative evaluation and patient education, application of sterile electrodes parallel to the incision in the operating room, TENS activation in the recovery room, follow-up visits, and data collection. Seventy-five patients who underwent laparotomy and received TENS at the most comfortable machine settings were compared by chart review to 75 patients who had undergone similar surgical procedures performed by the same surgeon before TENS postoperative pain management had been instituted. The TENS was applied for an average of five days; machine settings of intensity, frequency, and pulse width tended to be midrange. The TENS group took significantly less pain medication, but the length of hospital stay was not significantly different. Patients with TENS rated their pain on 10-point scales as more intense than uncomfortable. This study demonstrated that a well-structured interdisciplinary program of postoperative TENS management can reduce the amount of pain medication taken by patients after laparotomy.

Abdomen↗
PubMed2000

Analgesic effects of caudal and intramuscular S(+)-ketamine in children.

BACKGROUND: Previous studies suggest that caudal administration of ketamine cause effective analgesia. The purpose of the current study was to compare the clinical effectiveness and plasma concentrations of S(+)-ketamine after caudal or intramuscular administration in children to distinguish between local and systemic analgesia. METHODS: After induction of general anesthesia, 42 patients, aged 1 to 7 yr, scheduled to undergo inguinal hernia repair randomly received a caudal (caudal group) or intramuscular (intramuscular group) injection of 1 mg/kg S(+)-ketamine. Intraoperatively, heart rate (HR), mean arterial pressure (MAP) and arterial oxygen saturation were measured. Postoperative measurements included duration of analgesia, a four-point sedation score, and hemodynamic and respiratory monitoring for 6 h in the recovery room. Analgesic requirements in the recovery room were assessed by an independent blinded observer using an observational pain/discomfort scale (OPS). Plasma samples for determination of ketamine concentrations were obtained before and 10, 20, 30, 45, 60, 90, 120, and 180 min after injection of S(+)-ketamine. RESULTS: A significantly longer duration of analgesia (P < 0.001) was observed after caudal administration (528 min [220-1,440 min]; median [range]) when compared with intramuscular administration (108 min [62-1,440 min]) of S(+)-ketamine. Plasma levels of ketamine were significantly lower from 10 to 45 min after caudal administration than after intramuscular injection. CONCLUSION: Caudal S(+)-ketamine provides good intra- and postoperative analgesia in children. Despite similar plasma concentrations during most of the postoperative observation period, caudal S(+)-ketamine provided more effective analgesia than did intramuscular S(+)-ketamine, indicating a local analgesic effect.

Absorption↗
PubMed1999

Spinal block levels and cardiovascular changes during post-Cesarean transport.

PURPOSE: Transport after surgery under spinal anesthesia is associated with cardiovascular changes. The extensively vasodilated patient may be unable to compensate for postural blood flow redistribution. This observational study investigated pre- and post-surgery sensory levels as well as hemodynamic changes during the postoperative transfer period. METHODS: One hundred ninety nine women, ASA 1 and 2, undergoing Cesarean section under spinal anesthesia were studied at the end of surgery. Hyperbaric bupivacaine 12-15 mg and morphine 0.25 mg were the agents used. Patients in group A (n = 111) were transferred to the Recovery Room on a stretcher with the upper body flexed 30 degrees head up: patients in group B (n = 88) remained supine during transport. RESULTS: At the end of Cesarean section 95% of patients had upper sensory levels of T4 and higher. In 17.5% the block ascended 2-7 dermatomes compared with the pre-operative level. The incidence of hypotension on arrival in Recovery Room was similar in both groups (group A 10% and group B 9%). CONCLUSION: These results draw attention to the persistence of extensive sympathetic block at the end of Cesarean section. Transport to the Recovery Room was associated with the development of considerable hypotension in 10% of patients and this was unaffected by position. We recommend recording the level of sensory block at the end of surgery and increased monitoring during transport to the Recovery Room.

Adult↗
PubMed1996

Respiratory mechanics and arterial blood gases during and after laparoscopic cholecystectomy.

PURPOSE: The purpose of this study was to assess the effects of increased intra-abdominal pressure due to CO2 insufflation on the mechanical characteristics of the respiratory system and arterial blood gases during and after laparoscopic cholecystectomy. METHODS: Respiratory mechanics and arterial blood gases were examined in 12 patients undergoing laparoscopic cholecystectomy with CO2 insufflation. Respiratory mechanics were continuously monitored with in-line spirometry. In the recovery room, PaCO2 was measured in this group at 30 min and compared with PaCO2s in 23 patients who had undergone open cholecystectomy retrospectively, to evaluate the effects of insufflation on CO2 elimination. RESULTS: Minute ventilation was decreased by about 500 ml.min-1 during abdominal insufflation. Dynamic lung compliance decreased from 49.6 +/- 4.7 to 30.7 +/- 2.3 (mean +/- SEM) ml.cmH2O-1 with abdominal insufflation (P < 0.005), and returned to 45.1 +/- 3.1 after the release of pneumoperitoneum. Peak inspiratory pressure increased from 15.9 +/- 0.9 to 18.9 +/- 1.0 cmH2O with abdominal insufflation (P < 0.05). Arterial blood gas determinations indicated a decrease in arterial pH, with CO2 retention during insufflation and in the recovery room (P < 0.05). PaCO2 of the laparoscopic patients was higher than that of the open patients in the recovery room. CONCLUSION: The results indicate that respiratory acidosis was caused during CO2 insufflation for laparoscopic cholecystectomy, that was due to (1) decreased compliance, (2) increased CO2 load and (3) insufficient ventilation. Accumulated CO2 during laparoscopic cholecystectomy increased PaCO2 level in the recovery room.

Adult↗
PubMed1998

[Desflurane versus isoflurane in geriatric patients. A comparison of psychomotor and postoperative well-being following abdominal surgical procedures].

PURPOSE: The new volatile anaesthetic agent desflurane has a significantly lower blood-gas partition coefficient (0.42) than isoflurane (1.4), suggesting excellent intraoperative control of anaesthesia and rapid emergence and recovery from anaesthesia. However, only limited experience is available in geriatric patients undergoing major abdominal surgery. METHODS: After approval by the local ethics committee and with written informed consent, 52 patients (> or = 65 years old, ASA class II or III) scheduled for major abdominal surgery were randomised to receive either desflurane (DES) or isoflurane (ISO) for maintenance of anaesthesia. After oral premedication with midazolam 3.75-7.5 mg, anaesthesia was induced with etomidate 0.2-0.3 mg/kg and fentanyl 3 micrograms/kg. Vecuronium 0.1 mg/kg provided muscle relaxation for endotracheal intubation. All patients were mechanically ventilated to maintain normocapnia. For maintenance of anaesthesia, DES or ISO was administered in 60% N2O and additional boluses of fentanyl and vecuronium were given as required. At the end of surgery, the neuromuscular blockade was reversed with neostigmine 0.02 mg/kg and DES or ISO was discontinued at the end of skin closure. Episodes of bradycardia and tachycardia and hypo- and hypertension, the time from the end of anaesthesia to extubation, opening eyes, squeezing hand, stating name and birthdate and to discharge from the recovery room were recorded. Until 360 minutes after the end of anaesthesia, the recovery of psychomotor functions was measured by means of simple reaction time tests, critical flicker fusion test, labyrinth test, ball bearing test, short and long-term memory test and digit symbol substitution test. The patient's well-being was documented with scores for pain, sedation and postoperative nausea and vomiting. RESULTS: Demographic data in both groups was similar (Tab. 1). Anaesthesia was significantly prolonged in the ISO group. No significant differences between groups were found for MAC hours and the total dose of fentanyl and vecuronium administered (Tab. 3). Intraoperative haemodynamics were comparable between both groups (Tab. 4). No episodes of increases in heart rate or blood pressure associated with rapid increases in DES concentration were seen. Early emergence parameters were faster in the DES group (Tab. 5). When compared to ISO, the overall test performance and testing ability was superior following DES. Psychomotor tests showed significantly better results up to 240 minutes after the end of DES anaesthesia (Tab. 7, Fig. 4). Comparing the postoperative well-being, there were mild advantages for DES (Tab. 6, Fig. 1, 2, 3). However, time to discharge of geriatric patients from the recovery room was significantly shorter in the DES group (median 171 vs. 215 min., p < 0.05). CONCLUSION: Using a balanced anaesthesia technique, we found desflurane as suitable as isoflurane for geriatric patients. Additionally, due to the fast emergence from anaesthesia, an improved cooperativity was found. In the DES group overall better postoperative psychomotor performance resulted in a shortening of discharge times from the recovery room. Hence, desflurane anaesthesia may be advantageous in geriatric patients.

Abdomen↗
PubMed1992

Outpatient inguinal herniorrhaphy in premature infants: is it safe?

Because postoperative apnea and bradycardia in premature infants following inguinal herniorrhaphy remains a concern, outpatient repair has not been recommended. We have been performing outpatient inguinal herniorrhaphy in premature infants and the present study reviews our experience. Between 1985 and 1990, 1,294 outpatient inguinal herniorrhaphies were performed. Of this group 124 patients (9.6%) were identified as being premature (less than or equal to 36 weeks gestational age). Average ages were: gestational age 32.7 weeks (range, 24 to 36 weeks); postnatal age 12.6 weeks (range, 3 to 24 weeks); and postconceptional age (gestational plus postnatal) 45.3 weeks (range, 34 to 59 weeks). Twenty-two infants previously required ventilatory support, 11 patients had apnea/bradycardia, and 9 patients developed bronchopulmonary dysplasia. General anesthesia (usually nitrous oxide and fluothane) was used in all patients and 75% underwent endotracheal intubation. The average operating room time was 40 minutes (range, 20 to 115 minutes) and the average recovery room time was 94 minutes (range, 30 to 240 minutes). There were no perioperative deaths. One patient became apneic immediately after extubation in the operating room. No further episodes were noted after 4 hours of observation. Another patient following discharge had a brief apneic episode at home while on an apnea monitor, which was relieved with gentle stimulation. Both patients had no further sequelae. Bradycardia to 80 beats/min was noted in two patients, and resolved spontaneously in the recovery room. Laryngospasm after extubation in the operating room occurred in two patients, one of whom required brief reintubation and the other resolved spontaneously. Two patients required postoperative ventilation: one was extubated in the recovery room and the other was hospitalized for 24 hours.(ABSTRACT TRUNCATED AT 250 WORDS)

Ambulatory Surgical Procedures↗
PubMed1988

The effect of early bladder catheterization on the incidence of urinary complications after total joint replacement.

A prospective, randomized study was performed in 54 female total arthroplasty patients to determine whether straight catheterization in the recovery room might reduce the incidence of postoperative urinary infection, urinary retention, and urinary catheterization. Thirty-one patients were straight catheterized in the recovery room; 23 were not. Overall, 13% of the patients developed a urinary tract infection postoperatively, 60% of the patients required at least one catheterization, and 13% of the patients required a Foley catheter. No beneficial effect of straight catheterization in the recovery room after arthroplasty was demonstrated.

Aged↗
PubMed1997

Anaesthesia during laparoscopic gynaecological surgery: a comparison between desflurane and isoflurane.

Desflurane is a new inhalation anaesthetic with a low blood/gas solubility which should allow a fast emergence from anaesthesia. In a prospective open randomized study, desflurane was compared with isoflurane paying special attention to recovery and the quality of the post-operative period. The occurrence of pain and post-operative nausea and vomiting (PONV) was recorded during the first 20 post-operative hours. Seventy women ASA Grade I-II scheduled for elective gynaecological laparoscopic procedures were studied. Patients receiving desflurane were extubated earlier than patients receiving isoflurane, 5 +/- 1 and 9 +/- 1 min respectively (P < 0.05) and the patients anaesthetized with desflurane were able to tell their name and date on average 5 min earlier than those who had received isoflurane; however, time in the recovery room was the same for both groups of patients. Twenty-two of 35 patients receiving desflurane, and 18 of 35 receiving isoflurane required analgesia. PONV was recorded in 18 patients anaesthetized with desflurane and 12 patients anaesthetized with isoflurane. In both groups PONV was more frequently observed in patients after leaving the recovery room. PONV in the recovery room was associated with a delayed discharge, 139 vs. 114 min respectively. Desflurane seems to be an useful alternative to isoflurane for laparoscopic procedures.

Adult↗
PubMed1985

Reducing children's psychological stress in the operating suite.

Children often experience extremely high levels of psychological stress in the operating suite because of anxiety associated with the separation from their parents, the unfamiliar and intimidating environment, the presence of strangers in unusual attire (masks, caps, and gowns), the act of being forcibly restrained, and the forceful pressing over the mouth and nose of an anesthetic mask that emits a foul-smelling gas and that seems to restrict breathing in a manner reminiscent of suffocation. The recovery room can be very frightening for children because of the separation from parents and the frequently overpowering scene of human injury and suffering. If the personnel in the operating suite are trained in child development, and if they are encouraged to practice elementary "preventive psychiatry" and to use common sense, then the psychological morbidity resulting from the experience in the operating suite can be minimized. Arrangements ought to be made for children undergoing relatively simple and short operations to go to a place different from the "intensive-care" type of recovery room.

Adolescent↗
PubMed1999

Safety of pediatric short-stay tonsillectomy.

OBJECTIVE: To determine the safety of a relatively brief (<3-hour) period of postoperative observation prior to discharge in children undergoing outpatient tonsillectomy. DESIGN: Retrospective chart review. SETTING: Tertiary care children's hospital and public teaching hospital. PATIENTS: The records of all patients (12 years of age who underwent tonsillectomy or adenotonsillectomy from November 1995 through July 1997 were reviewed. A total of 143 patients scheduled for ambulatory treatment were identified; 9 were excluded owing to insufficient follow-up. The remaining 134 patients made up the study group. MAIN OUTCOME MEASURES: (1) Duration of observation prior to discharge; (2) complication rates. RESULTS: The mean age of the study population was 6.1+/-2.6 (mean+/-SD) years. Obstructive sleep apnea was an indication for surgery in 86.5%. Eleven (8.2%) of 134 planned outpatients were electively admitted from the recovery room for inpatient observation, most often because of respiratory compromise. Patients admitted from the recovery room were significantly younger (mean age, 4.0 years) than those who were discharged as planned (6.3 years, P<.001). One hundred twenty-three patients were discharged from the recovery room as anticipated, following a mean+/-SD duration of postoperative observation of 144+/-48 minutes. Overall, 5 (4.1%) of these 123 outpatients suffered complications after discharge. Two patients (1.6%) experienced primary bleeding, both at 8 hours after surgery. Four patients (3.2%) were readmitted. The complication rate did not vary significantly with the duration of postoperative observation (P= .71). CONCLUSION: A short postoperative observation period is safe, with a low rate of complications, in appropriately selected children scheduled for ambulatory tonsillectomy.

Adenoidectomy↗