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[Effect of shenfu injection on recovery of intestinal function, cellular immunity, serum interleukin-2 and tumor necrosis factor-alpha in children with intestinal obstruction after operation].

OBJECTIVE: To observe the effect of Shenfu injection (SFI) on recovery of intestinal function, T-lymphocyte subsets (CD4, CD8 and CD4/CD8), interleukin-2 (IL-2) and tumor necrosis factor-alpha (TNF-alpha) in children with intestinal obstruction after surgical operation. METHODS: Ninety-eight children suffering from intestinal obstruction after emergent surgical operation were divided into the SFI group (n = 50, treated with SFI after operation) and the control group (n = 48, treated with surgical operation alone). The intestinal function recovery rate (IFRR), T-lymphocyte subsets, serum levels of IL-2 and TNF-alpha in them were observed. RESULTS: After being treated for 7 days, the IFRR in the SFI group was 84.0%, which was significantly higher than that in the control group (62.5%, P < 0.05). CD4, CD4/CD8 levels increased in the SFI group after treatment (P < 0.05), while in the control group, CD8 increased significantly after treatment (P < 0.05) and higher than that in SFI group (P < 0.01). IL-2 level was much higher in the SFI group after treatment than that in the control group (P < 0.05). TNF-alpha level significantly lowered in both groups (P < 0.01), and the level in the SFI group was lower than that in the control group (P < 0.05). CONCLUSION: SFI could promote the recovery of intestinal function, improve and regulate the immune function of the children after operation for intestinal obstruction.

CD4-CD8 Ratio↗

[Method of intestinal decompression in treating functional intestinal obstruction].

The authors present an analysis of 149 cases of total decompression of the gastrointestinal tract in grave forms of functional intestinal obstruction accompanying peritonitis and acute intestinal obstruction. Special intestinal sounds made of polychlorovinyl were employed, that facilitates considerably the technic of intubation of the bowel as a whole. The authors data evidence that each method of intubation (transnasal, through gastro-or ileostome, etc) has its positive and negative aspects, therefore a selection of the site for introducing the sound should be conditioned by patient's age, the type of pathology and duration of the intubation procedure.

Decompression↗

Early sonographic detection of fetal intestinal obstruction and possible diagnostic pitfalls.

We present five fetuses at 15-17 weeks' gestation with a sonographic diagnosis of intestinal obstruction. Dilation of the intestine was the presenting sonographic finding in fetuses with a volvulus and/or anal atresia. Two of the fetuses also had other abnormalities. Intestinal peristalsis may be observed in early pregnancy as transient dilation of intestinal segments. Sonographers are cautioned about a false-positive diagnosis of intestinal obstruction in such cases.

False Positive Reactions↗

Expandable metal stents for gastric-outlet, duodenal, and small intestinal obstruction.

The treatment of patients who have malignant gastric-outlet, duodenal and small intestinal obstructions is difficult. The morbidity and mortality of palliative surgery in these patients is significant. It is not uncommon for patients to be treated with supportive therapy only, which unfortunately, neither relieves the severe nausea and vomiting, nor allows adequate food intake. Over the past few years, a number of studies have reported the safety and efficacy of self-expanding metal stents used to palliate malignant upper gastrointestinal obstruction. In this article, the authors focus on the use of self-expanding metal stents to treat malignant gastric-outlet, duodenal, and small intestinal obstructions.

Biocompatible Materials↗

Malignant intestinal obstruction.

The records of 66 consecutive patients who developed intestinal obstructions after treatment for cancer were reviewed. Approximately one third of the patients were found to have a benign cause of obstruction. The chances that an obstruction was due to cancer were increased if the patient had known metastatic cancer, previous colorectal cancer, if the primary was an advanced stage, and if the interval since treatment of the primary was short. Incomplete obstructions were treated with nasogastric suction. Although resolution of the obstruction on nasogastric suction without operation occurred in 24% of the admissions, 41% of those patients had to be readmitted for surgical relief of recurrent intestinal obstruction. Resolution of an obstruction on nasogastric suction occurred early, and there was little point in continuing a trial of suction for longer than 3 days.

Adolescent↗

The relation between human leukocyte antigen (HLA) distribution and intestinal obstruction and adhesions in childhood: preliminary report.

To investigate the association between the human leukocyte antigen (HLA) system and adhesions causing intestinal obstruction in childhood in order to determine whether HLA profiles can be used to identify and screen individuals at risk for intestinal adhesions, clinical and laboratory evaluations were done in a total of 42 (F:M = 27:15) patients. The mean age was 6.11 +/- 3.2 years (0.6-13 years). The patients were tested for HLA phenotype in two groups; the HLA phenotype distribution and relative risk (RR) for adhesions were determined. The study patients were children operated upon due to acute abdominal emergencies. Group 1 included patients who needed readmission after the surgery due to intestinal obstruction (n = 19), group 2 patients had no readmission for any reason following surgery (n = 23). Of the 19 patients in group 1, 9 were treated only medically and 10 needed surgical intervention. Among the patients in whom medical treatment was initiated (n = 14), 5 needed surgery during follow-up. There was an increased RR for certain HLA subtypes (A24 [9], HLA11, DR11 [5], B22) in patients presenting with intestinal obstruction due to adhesions. Among these, A24 (9) and DR11 (5) were statistically significant (P < 0.05) compared with the control group. Several possible mechanisms could link the HLA system with disease, especially those in which the immune response is suspected to be involved, but the questions of how the inflammatory response is initiated and the role of proinflammatory cytokines remain unclear. Future research developments are likely to focus on increased understanding of the molecular biology of the major histocompatibility complex and its biological function in the immune response and adhesion formation and intestinal obstruction. It is possible that HLA profiles can be used to identify individuals at risk for intestinal adhesions in the future.

Abdomen, Acute↗

Failure to pass meconium: diagnosing neonatal intestinal obstruction.

Timely passage of the first stool is a hallmark of the well-being of the newborn infant. Failure of a full-term newborn to pass meconium in the first 24 hours may signal intestinal obstruction. Lower intestinal obstruction may be associated with disorders such as Hirschsprung's disease, anorectal malformations, meconium plug syndrome, small left colon syndrome, hypoganglionosis, neuronal intestinal dysplasia and megacystis-microcolon-intestinal hypoperistalsis syndrome. Radiologic studies are usually required to make the diagnosis. In addition, specific tests such as pelvic magnetic resonance imaging, anorectal manometry and rectal biopsy are helpful in the evaluation of newborns with failure to pass meconium.

Anal Canal↗

Neonatal intestinal obstruction in Zaria, Nigeria.

OBJECTIVE: To study the aetiology, morbidity and mortality of neonatal intestinal obstruction. DESIGN: A retrospective study. SETTING: Ahmadu Bello University Teaching Hospital, Zaria, Nigeria. SUBJECTS: One hundred and fifty one neonates (< or = 28 days) undergoing surgery for mechanical intestinal obstruction. RESULTS: The male/female ratio was 3:1 and median age at presentation was four days (range five hours-28 days). Anorectal malformation was the commonest cause, 104 (68.9%), 86.5% of which were high anomalies and 13.5% low; the median age at presentation was three days. Fifty two per cent of colostomies for the high anomalies were performed using general anaesthesia and 48% local anaesthetic, but there was an increasing use of local anaesthesia over the years. Hirschsprung's disease accounted for 11 (7.3%) of the cases, representing 20% of all patients presenting with Hirschsprung's disease to this hospital; the median age was six days and in two patients the caecum and sigmoid colon respectively had perforated; nine patients had colostomy, one caecostomy and one ileostomy (total colonic aganglionosis). Eleven (7.3%) patients had incarcerated or strangulated ingunial hernia (ten) and congenital ventral hernia (one); the hernias were repaired in all patients and three required intestinal resection for gangrene, two of which had ipsilateral testicular gangrene, necessitating orchidectomy. Intestinal atresia was the fourth common cause of obstruction ten (6.7%), eight of which were jejunoileal atresias and two duodenal and the median age was seven days; one atresia was associated with Hirschsprung's disease and had ileostomy, all other jejunoileal atresias were resected and duodenoduodenostomy was performed for the duodenal atresias. Other less common causes of neonatal intestinal obstruction were incarcerated exomphalos, malrotation, hypertrophic pyloric stenosis, annular pancreas, and idiopathic ileal volvulus and meconium ileus respectively. Postoperative complications occurred in sixteen of 95 patients (16.8%) including colostomy or ileostomy complications 11, wound infection three and anastomotic dehiscence (two). The overall mortality was 21.1%, 70% from overwhelming infection and 30% respiratory embarrassment; the mortality from the various conditions were Hirschsprung's disease 43%, intestinal atresia 40%, incarcerated exomphalos 40%, anorectal malformation 18.5% and the only patient with volvulus died. CONCLUSION: The morbidity and mortality of neonatal intestinal obstruction in this hospital has improved over previous years due largely to meticulous resuscitation before surgery but the problems of late presentation and poor neonatal intensive care facilities persist. The findings are at variance with those in developed countries.

Female↗

Intestinal obstruction and perforation--the role of the surgeon.

Intestinal obstruction and perforation are always a challenge for the surgeon, not only in respect to the surgical option offered to the patient, but also to the ability to accurately diagnose and stage the disease. The understanding of the underlying pathophysiological mechanism is also very important in order to classify each patient in order to receive the more appropriate treatment. Mechanisms of obstruction and perforation, methods of diagnosis as well as prevention and treatment of the disease were reviewed.

Colonic Pseudo-Obstruction↗

Intestinal obstruction after lung transplantation in children with cystic fibrosis.

BACKGROUND/PURPOSE: Distal intestinal obstruction syndrome (DIOS) occurs in 15% of patients with cystic fibrosis (CF). The authors reviewed their experience to determine the incidence, risk factors, and natural history of adhesive intestinal obstruction and DIOS after lung transplantation. METHODS: Eighty-three bilateral transplants were performed in 70 CF patients between January 1990 and September 1998. All were on pancreatic enzymes preoperatively, and none had preoperative bowel preparation. Fifty-six patients (80%) had prior gastrostomy (n = 54) or jejunostomy (n = 2). Eighteen patients (25.7%) had a previous laparotomy for meconium ileus (n = 8), fundoplication (n = 4), liver transplant (n = 1), jejunal atresia (n = 1), Janeway gastrostomy takedown (n = 1), pyloromyotomy (n = 1), free air (n = 1), or appendectomy (n = 1). RESULTS: After lung transplantation, 7 patients (10%) required laparotomy for bowel obstruction (6 during the same hospitalization, and 1 during a subsequent hospitalization). The causes of obstruction were adhesions only (n = 1), DIOS only (n = 2), and a combination of DIOS and adhesions (n = 4). Adhesiolysis was performed in the 5 patients with adhesions, and a small bowel resection was also performed in 1 patient. DIOS was treated by milking secretions distally without an enterotomy (n = 3) with an enterotomy and primary closure (n = 1) or with an end ileostomy and mucus fistula (n = 2). Five had recurrent DIOS early postoperatively. One resolved with intestinal lavage, 2 were treated successfully with hypaque disimpaction, and 2 underwent reoperation; 1 required an ileostomy. The most important risk factor for posttransplant obstruction was a previous major abdominal operation. Obstruction occurred in 7 of 18 (39%) who had undergone a prior laparotomy versus 0 of 52 who had not (P < .001, chi2). CONCLUSIONS: (1) The incidence of intestinal obstruction is high after lung transplantation in children with CF. (2) Previous laparotomy is a significant risk factor. (3) Recurrent obstruction after surgery for this condition is common. (4) Preventive measures such as pretransplant bowel preparation and early postoperative bowel lavage may be beneficial in these patients.

Adolescent↗

Intestinal obstruction after laparoscopic herniorrhaphy.

Laparoscopic herniorrhaphy is still a controversial procedure. Two cases of intestinal obstruction after laparoscopic herniorrhaphy are reported. The clinical features, possible mechanisms, managements, and outcomes were analyzed. The results showed that preexisting mesenteric defect, fibrin depositions, and longer operation time were predisposing factors for post-laparoscopic herniorrhaphy intestinal obstruction. These findings suggest that cleansing of fibrin deposition and shorter operation times may be important to avoid postoperative intestinal obstruction.

Aged↗

[Intestinal obstruction by Meckel's diverticulum: a case study].

The intestinal obstruction by Meckel s diverticulum is caused by an adherence, volvulus or invagination affecting this diverticulum. This is not a very frequent event and our purpose is to describe a case of intestinal obstruction by a bridle formed by Meckel s diverticulum. Clinically, the patient experienced pain in the periumbilical region, abdominal distension and bilious vomits. The exploratory laparotomy evidenced the existence of Meckel s diverticulum without signs of inflammation.

Child↗

Non-operative management of intestinal obstruction due to ascaris lumbricoides.

OBJECTIVE: To compare, evaluate and analyze three different non-operative modalities of treatment of intestinal obstruction due to ascaris lumbricoides. DESIGN: A non-randomized, cohort and comparative study. PLACE AND DURATION OF STUDY: Department of Pediatric Surgery, National Institute of Child Health, Karachi from March 2001 to October 2002. PATIENTS AND METHODS: A total of 45 patients with the diagnosis of intestinal obstruction due to ascaris lumbricoides were included in the study. They were divided in 3 groups of 15 patients each. Group I patients were given I/V fluids only, group II patients were given hyoscinbutylbromide in infusion and group III patients were given hypertonic saline enema. The outcome of all groups was compared in terms of improvement in obstruction and hospital stay. The data was analyzed by SPSS 11.0 by using ANOVA and HSD Tuckey test for multiple comparisons. RESULTS: The non-operative treatment was successful in all of the patients. In group III improvement of intestinal obstruction occurred in 1.6 +/- 1.11 days (p value=0.001), whereas it was 2.6 +/-1.11 days in group II and 3.4 +/-1.35 days in group I. The mean hospital stay in group III was 4 +/-1.69 days (p value=0.003), whereas it was 6.27 +/- 2.31 days in group II and 5.87 +/-1.25 days in group I. CONCLUSION: We recommend that hypertonic saline enema is a better non-operative treatment modality of intestinal obstruction, due to ascaris lumbricoides, in patients who do not have peritonitis. It is associated with early improvement of obstruction coupled with reduced hospital stay.

Analysis of Variance↗

Acute intestinal obstruction in Nigerian children.

Over a 7 year period, intestinal obstruction accounted for 41.7 per cent of abdominal emergencies and 1.03 per cent of all paediatric admissions at the Obafemi Awolowo University Teaching Hospital in Ile-Ife, Nigeria. Of the total 76 cases of acute intestinal obstruction, intussuception was seen in 34 (44.7%), peritoneal adhesions in 17 (22.4%), obstructed hernia in 14 (18.4%), roundworm impaction in 4 (5.3%), volvulus in 3 (4.0%) while faecal impaction and mesenteric cysts were encountered in 2 children each (2.6%). Generally the patients presented late to the hospital and this accounted for the high post-operative morbidity and prolonged hospital stay. Wound infection occurred in 21.1 per cent of patients and formed the commonest post-operative complication. The overall mortality was 21.1 per cent.

Acute Disease↗

Femoral hernia appendix causing small intestinal obstruction.

An 88 year old woman presented with a painful, irreducible right femoral hernia and small intestinal obstruction. At laparotomy, some distal small intestine was found to have twisted around an uninflamed appendix which was acting as a 'band', with its tip fixed in the femoral hernia sac. Although the association between the appendix and femoral hernia is well recognized, the production of small intestinal obstruction by this particular mechanism has not been previously reported.

Aged↗