Bleeding postoperatively from a Meckel diverticulum, secondary to NSAIDs: a cautionary note.
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Anti-Inflammatory Agents, Non-Steroidal↗
Biomedical subjects
R M Kimble
Publications and source records attributed to R M Kimble.
The use of Acticoat in neonatal burns.
PURPOSE: To evaluate the safety and efficacy of Acticoat use in primary burn injuries and other skin injuries in premature neonates. PROCEDURES: An audit of eight premature neonates who sustained burn injuries and other cutaneous injuries from various agents were treated with Acticoat. Serum silver levels were measured in three neonates. Wounds were assessed for infection and blood cultures were taken where sepsis was suspected. FINDINGS: Neonates ranged from 23 to 28 weeks gestation (weight: 578-1078 g). Causative injury mechanisms included: alcoholic chlorhexidine, alcoholic wipes, electrode jelly, extravasated intravenous fluids, artery illuminator, temperature probe and adhesive tape removal. Total burned body surface area ranged from 1 to 30%. All neonates were treated with Acticoat dressing changed every 3-7 days. All wounds re-epithelialised by day 28 and scar management was not required. There were four mortalities secondary to problems associated with extreme prematurity. Serum silver levels ranged from 0 to 1 micromol/L. There were no wound infections or positive blood cultures during the treatment period. CONCLUSIONS: Acticoat is a suitable dressing for premature neonates who have sustained burn injury, with the advantage of minimal handling as the dressing need only be changed every 3-7 days.
Bandages↗
Thermal injuries in three children caused by an electrical warming mattress.
Peroperative hypothermia is recognized to increase mortality and morbidity, and the paediatric anaesthetist faces specific challenges resulting from the increased body surface to volume ratio, particularly in smaller children. We describe three children who were consecutive patients on one operating list and sustained severe thermal injuries. These were due to a malfunctioning electrical heating mat, despite appropriate use and monitoring by the attending anaesthetist. It is rare for thermal warming devices to cause injury. We review the use of heating mats, and suggest modifications in their manufacture which may minimize the risks associated with heating devices.
Bedding and Linens↗
Ward reduction without general anaesthesia versus reduction and repair under general anaesthesia for gastroschisis in newborn infants.
BACKGROUND: Gastroschisis is a congenital anterior abdominal wall defect with the abdominal contents protruding through the defect. Reduction of the abdominal contents is required within hours after birth as the infant is at risk not only of water and heat loss from the exposed bowel but also of compromised gut circulation with ischaemia and infarction. To avoid the complications of general anaesthetic and mechanical ventilation it has been proposed that the reduction of abdominal contents can be achieved without endotracheal intubation or anaesthesia. OBJECTIVES: To determine which approach to the immediate surgical treatment of gastroschisis has the better outcomes: ward reduction without general anaesthetic or reduction and repair of the abdominal wall defect under general anaesthesia. SEARCH STRATEGY: Searches were made of MEDLINE from 1966 to March 2002, CINAHL from 1982 to March 2002, and the Cochrane Controlled Trials Register (The Cochrane Library, Issue 1, 2002). Previous reviews including cross references, abstracts, and conference and symposia proceedings published in Pediatric Research (from 1990 to 1994) were also searched, especially for any unpublished data. SELECTION CRITERIA: Randomised, controlled trials (RCT) comparing ward reduction with reduction under general anaesthesia, for neonates with gastroschisis. Outcomes considered were: mortality, duration of total parenteral nutrition, time to full enteral feeds, need for a silo, infection, gastro-intestinal tract perforation, length of bowel lost/resected, need for a general anaesthesia, need for and duration of mechanical ventilation and respiratory support, duration of oxygen therapy, need for further operative procedure after initial reduction, duration of hospital stay, cosmetic outcome, nutritional status, and neurodevelopmental outcome. DATA COLLECTION AND ANALYSIS: No studies were found meeting the criteria for inclusion in this review. MAIN RESULTS: No studies were found meeting the criteria for inclusion in this review. REVIEWER'S CONCLUSIONS: There is no evidence from RCTs to support or refute the practice of ward reduction for the immediate management of gastroschisis. There is an urgent need for RCTs to compare ward reduction versus reduction under general anaesthesia in infants with gastroschisis. Initial trials would best be limited to those infants with uncomplicated gastroschisis (using pre-defined selection criteria excluding infants that are unstable, have gut perforation, necrosis or atresia, have other organs requiring reduction besides bowel, or are considered to need a silo prior to any reduction. Trials should use adequate pain relief and specify a pre-defined time period after which manual reduction is abandoned.
Anesthesia, General↗
Management of extravasation injuries.
BACKGROUND: Various agents have been implicated in causing tissue necrosis after intravenous infusions have extravasated. These include solutions of calcium, potassium, bicarbonate, hypertonic dextrose, cytotoxic drugs and antibiotics. Views on management of these injuries differ, and range from a non-operative conservative approach to early debridement and grafting. METHODS: A retrospective review was undertaken of the hospital files of patients with extravasation injuries seen in three Australian hospitals. Nine patients were identified, and their management and long-term follow up are reported. RESULTS: Age ranged from 17 days to 60 years. Two patients received their injuries from solutions containing isotonic dextrose/saline. The other seven patients received injuries from a variety of solutions including calcium gluconate (n = 1), parenteral nutrition (n = 1), sodium bicarbonate (n = 1), immunoglobulin (n = 1), gentamicin and penicillin (n = 1), flucloxacillin (n = 1), and the chemotherapeutic agents epirubicin and cyclophosphamide (n = 1). The sites involved included the dorsum of the right foot (n = 3), the dorsum of the left foot (n = 3), the right groin (n = 1), the right hand (n = 1) and the left hand (n = 1). Four patients were managed by delayed debridement and split skin grafting, while five were treated non-operatively. Prolonged scar management was necessary in seven of the nine patients. Final results were satisfactory in all patients who received skin grafting and in all patients who were managed conservatively. CONCLUSIONS: Management of extravasation injuries should be conservative if possible. Delayed debridement and split skin grafting is required if the area of skin loss is extensive. Scar management remains a problem. Prevention of these injuries with the education of both medical and nursing staff remains the ultimate aim.
Adult↗
Gastroschisis reduction under analgesia in the neonatal unit.
PURPOSE: The authors present their experience of reduction of gastroschisis in infants in the ward with analgesia and without anesthesia. METHODS: Prospective data were collected on 35 infants born with gastroschisis from 1999 to 2001. Ward reduction (WR) was not attempted in infants with obvious gut atresia, perforated or ischemic bowel, or systemic instability. RESULTS: Ward reduction was attempted in 29 of the 35 infants and was successful in 25. There were no deaths or major morbidity in those that underwent ward reduction. Ventilation was required in 2, and line sepsis occurred in 4. Umbilical hernia was seen in 7; all but 1 were treated conservatively. CONCLUSIONS: In gastroschisis, ward reduction under analgesia is safe if strict selection criteria are adhered to. Postreduction ventilation is avoided in the majority.
Acetaminophen↗
The vulnerable stomach in babies born with pure oesophageal atresia.
Nine babies with pure oesophageal atresia were treated in our institution in the years 1979-1996. All received a feeding gastrostomy as their initial operation. After initiation of gastrostomy feeds seven (78%) developed gastric complications, including two posterior gastric perforations (one fatal). We propose that the high complication rate is due to a small, abnormal stomach that is vulnerable to damage by operative trauma and the effects of handling large volumes of feed. We hypothesise that the stomach is abnormal because it has not been exposed to the maturing effects of amniotic fluid in utero. Feeds should be introduced very cautiously to these babies and built up very slowly.
Esophageal Atresia↗
Vanishing gut in infants with gastroschisis.
Infants born with gastroschisis (GS) in association with intestinal atresia are well described, however, atresia to the extent where none or very little of the midgut remains has rarely been reported. In this paper we present one infant born with a GS defect in combination with total loss of the midgut and another with a tight GS defect with atresia of the proximal and distal midgut at the regions where the bowel had gone through the abdominal wall. On examining these and other case reports in the literature, we realised that there is a GS spectrum, at one end with simple, localised atresia with the rest of the gut exhibiting minimal vascular compromise and at the other a very small or no defect with absence of the entire midgut.
Fatal Outcome↗
Successful endoscopic drainage of a posttraumatic pancreatic pseudocyst in a child.
The successful endoscopic drainage of a posttraumatic pancreatic pseudocyst in a 9-year-old boy is described. This case study suggests that there is a role for endoscopic placement of stents in the treatment of pancreatic pseudocysts in children.
Abdominal Injuries↗
Fetal defaecation: is it a normal physiological process?
It has been long known that the late gestation human fetus passes meconium in response to hypoxia. However, there is good evidence, from amniotic fluid studies measuring bile pigment and enteric enzyme content, to suggest that passage of meconium is a normal physiological event in the second trimester. Similarly there is some indirect evidence that fetal defaecation is a normal physiological process in the third trimester. However, this evidence is less strong, and it is safer to assume that in most cases meconium staining of liquor at this time is associated with fetal hypoxia. Dilation of the rectosigmoid portion of the distal bowel found in newborn infants with anorectal malformations supports the hypothesis that fetal colonic peristalsis and defaecation is a normal physiological process.
Adaptation, Physiological↗
Enteral IGF-I enhances fetal growth and gastrointestinal development in oesophageal ligated fetal sheep.
Infants with upper gut atresia often have impaired intrauterine growth and gut function. IGF-I is important in fetal growth and is contained in amniotic fluid. We therefore wanted to test the hypothesis that IGF-I infused into fetal gut would reverse the effects of an upper gut obstruction on gut structure and growth in fetal sheep. At 90 days gestation fetuses (n=6 per group) underwent oesophageal ligation, followed by continuous infusion of IGF-I (1-8 microgram/day) or saline into the gut beyond the ligation until 137 days. Controls underwent sham ligation only. Oesophageal ligation tended to reduce fetal body and organ weights. IGF-I treatment prevented this reduction and increased body length and spleen weight above those of controls. The decrease in bowel wall thickness induced by oesophageal ligation was also prevented by IGF-I treatment. Amniotic fluid IGF-I concentrations did not change over gestation and were higher in the IGF-I treated group. No change in fetal plasma IGF-I concentrations were detectable. We conclude that enterally administered IGF-I may enhance fetal growth and gut development in utero and that IGF-I in amniotic fluid may play a physiological role in gut development in the fetus.
Animals↗
Does gut atresia cause polyhydramnios?
Fetal gut atresia is variably associated with polyhydramnios. In order to determine which pregnancies will develop polyhydramnios, the case notes of 80 babies with gut atresia and stenosis were reviewed. Maternal polyhydramnios developed in all cases of pure oesophageal atresia (n = 8), all cases of Type III duodenal atresia (DA) with a non-bifid bile duct (n = 8), 80% of cases with type I DA (n = 10), and 24% of atresias of the small intestine (n = 34). Polyhydramnios did not develop in any case where there was not total obstruction except in 1 baby with DA and a bifid bile duct (BBD). These included stenosis of the oesophagus and duodenum (n = 17) and DA type III with a BBD (n = 3). These results support the role of fetal swallowing and fluid absorption by the fetal gastro-intestinal tract in the regulation of amniotic fluid volume.
Duodenal Obstruction↗
Colo-colic intussusception in Henoch-Schönlein purpura.
Intussusception is the commonest surgical complication of Henoch-Sch onlein purpura (HSP), occurring in 1.3%-13.6% of affected children. Colo-colic intussusception is a rare occurrence in HSP, with only three other reported cases. Intussusception in HSP almost always originates in the ileum (90%) or jejunum (7%), and more than one-half of cases (58.4%) are confined to the small bowel. This is in contrast to idiopathic intussusception, where the majority (80%-90%) are ileo-colic and can be diagnosed and reduced by contrast enema.
Child↗
Additional congenital anomalies in babies with gut atresia or stenosis: when to investigate, and which investigation.
A wide variety of additional congenital anomalies occur in babies born with a gut atresia or stenosis. The specific pattern of anomalies depends on the location of the atresia. The serious nature of many of them makes perioperative diagnosis imperative. Eighty-six babies born with pure oesophageal atresia (OA), duodenal atresia (DA) or stenosis, or jejuno-ileal atresia (JIA) have been studied. These, combined with over 2,000 cases in the literature, have been used to develop a protocol to optimally investigate babies with gut atresia for associated anomalies. The authors recommend routinely obtaining anterio-posterior and lateral chest and abdominal radiographs for babies with pure OA, DA and intestinal atresia, making sure the entire spine can be visualised. Cardiac and renal ultrasonography (US) should be routine in all babies with pure OA or DA. A micturating cystourethrogram should be done in those babies with abnormal urinary tract US or an associated anorectal anomaly. A sweat test should be obtained in babies with JIA, and a rectal biopsy should be taken in babies with the combination of Down's syndrome and DA to exclude Hirschsprung's disease.
Abnormalities, Multiple↗
Antenatal therapy for intrauterine growth retardation.
Currently, there is no effective antenatal therapy for intrauterine growth retardation (IUGR). Although the IUGR fetus is undernourished in utero and there have been many attempts to treat IUGR with nutritional supplements, most studies have been poorly controlled, and there is no evidence to date that nutrient supplements can reverse the process of IUGR once it is established. Nutrient supplementation is also potentially risky and a combination of nutrients is likely to be needed. Alternative approaches to antenatal therapy for IUGR that show promise include fetal growth hormone and insulin-like growth factor I treatment to improve fetal growth. Fetal and maternal hormone supplements may also prove useful in IUGR by improving placental function and thus fetal substrate supply. Fetal enteral supplementation by the administration of growth factors and/or nutrients into the amniotic fluid may also prove effective and clinically feasible. It seems likely that combinations of these approaches will be required before effective therapy can be devised for the IUGR fetus in utero.
Animals↗
How do New Zealand gynaecologists treat menorrhagia?
The objectives of this study were to establish the criteria and technique that New Zealand gynaecologists use for endometrial sampling for women with menorrhagia, and to establish the preferred medical therapy for menorrhagia. A postal survey of all practising gynaecologists in New Zealand was undertaken. Questions were asked regarding which women with menorrhagia should have an endometrial biopsy, what sampling method they used, and their first, second and third line medical treatments. There were 68 replies (48% response rate). There was no general agreement on the mean age at which women with menorrhagia should have an endometrial sample. Forty-six percent preferred hysteroscopy to sample the endometrium, and 41% preferred a pipelle suction curette. The most favoured first-line choice used to treat menorrhagia was luteal phase progestogens (54%). The most-favoured second choice was the nonsteroidal antiinflammatory drugs (NSAIDs), and the most favoured third choice was danazol. The results from this study suggested that protocols need to be developed in order to prevent women with menorrhagia from being inappropriately investigated or suboptimally treated. It is possible that the high hysterectomy rate in New Zealand could be reduced if gynaecologists were to use more effective treatment earlier in the clinical presentation of menorrhagia.
Adult↗
Hot beverage scalds in Australian children.
Our objective was to compile data on the mechanism and severity of injuries associated with hot beverage burns in children. We identified 152 children over a 3-year period who attended a tertiary level burns center, representing 18% of all children treated. Their median age was 17.5 months and median body surface area burned was 4% (range, 0.25% to 32%). Significantly, 52% of children required admission, 18% received a split skin graft, and 26% required long-term scar management. In 70% of all cases, the mechanism of injury was the child pulling the hot beverage over himself or herself. In 80% of incidents, a primary care giver witnessed the injury. These findings indicate that scalding from hot beverages carries significant morbidity and is an important pediatric public health issue. It is clear that further research towards effective education programs for primary caregivers is warranted.
Accidents, Home↗
Idiopathic necrotizing dermatitis: current management.
OBJECTIVES: To identify and demonstrate necrotizing dermatitis in infancy; an uncommon, puzzling syndrome, in which anecdotal reporting and personal experience indicates that one third of cases may require skin grafting. Much informed discussion about the pathogenesis of this distressing syndrome centres on the role of spider envenomation; and in particular on the speculative role of the Australian White-tailed spider, Lampona cylindrata. METHODS: We present here six cases of necrotizing dermatitis treated surgically at the Royal Children's Hospital and Mater Children's Hospital in Brisbane over the period from 1991 to 1999. Clinical history, surgical details and pathological investigations were reviewed in each case. Microbiological investigation of necrotic ulcers included standard aerobic and anaerobic culture. RESULT: Nocardia and Staphylococcus were cultured in two cases, but no positive bites were witnessed and no spiders were identified by either the children or their parents. All cases were treated with silver sulphadiazine creme. Two of the infants required general anaesthesia, excision debridement and split skin grafting. The White-tailed spider, Lampona cylindrata, does not occur in Queensland, but Lampona murina does; neither species has necrotizing components in its venom. Circumstantial evidence is consistent with this syndrome being due to invertebrate envenomation, possibly following arachnid bites. CONCLUSION: In our experience there is insufficient evidence to impute a specific genus as the cause, at this stage of scientific knowledge. If the offending creature is a spider, we calculate that the syndrome of necrotizing dermatitis occurs in less than 1 in 5000 spider bites.
Animals↗