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Intestinal obstruction complicating pregnancy.

Intestinal obstruction is a rare but serious complication of pregnancy with significant maternal and fetal mortality. The reported incidence of intestinal obstruction complicating pregnancy varies widely, from 1 in 66,431 to 1 in 1,500 deliveries. A retrospective review of 66 cases of intestinal obstruction complicating pregnancy and the puerperium, including 2 cases from our institution, revealed that the most common causes of mechanical obstruction were adhesions (58%), volvulus (24%), and intussusception (5%). Seventy-seven percent of the patients with obstruction due to adhesions had undergone previous abdominal or pelvic surgery. Presenting symptoms and signs were similar to those of the nonpregnant patient; abdominal pain was present in 98% of patients, vomiting in 82%, and tenderness to palpation in 71%. In 82% of patients, obstruction was evident on radiographic evaluation. Prompt management of obstruction is essential; the median length of time from admission to laparotomy in the 66 patients was 48 hours. Bowel strangulation requiring resection was present in 23% of patients. Thirty-eight percent of patients completed term pregnancies after operative resolution of obstruction; total maternal mortality was 6%, and total fetal mortality 26%. Thus, both mother and fetus are at risk when intestinal obstruction complicates pregnancy. Clinical suspicion of the presence of obstruction and aggressive intervention are required to decrease the morbidity and mortality of this rare complication of pregnancy.

Female↗

Intestinal obstruction during pregnancy.

Intestinal obstruction is a rare cause of acute abdominal pain during pregnancy. We reviewed and analyzed the medical records of four pregnant women with intestinal obstruction, treated at the Department of Surgery in the Kaohsiung Medical University Hospital during a period of 19 years, between June 1984 and December 2002. Their ages ranged from 22 to 35 years (mean, 28 yrs). Three cases had had prior lower abdominal surgery. Adhesion was the unique finding in all four patients during the operation. Enterolysis was needed to release the intestinal obstruction in three of the patients; the fourth required resection and anastomosis of the ileum as a result of volvulus. Premature labor was prevented with tocolysis in two patients. The results of this study lead us to emphasize the importance of close observation and early surgery to avoid intestinal strangulation if a pregnant woman who develops intestinal obstruction has an old surgical scar on her abdomen. Premature labor may be avoided with tocolysis.

Adult↗

Altered gastric and duodenal motility in intestinal obstruction.

There are no strict clinical or radiographic criteria that consistently indicate imminent strangulation in cases of small bowel obstruction. An intestinal obstruction with vascular compromise produces a marked retention of food, fluid, or contrast material in the stomach and duodenum, while an obstruction without vascular problems may show no change or somewhat delayed gastric emptying with some duodenal hypotonia. The association of gastric atony and profound stomach dilatation with strangulating, usually closed-loop intestinal obstruction, has generally not been appreciated by radiologists. We illustrate this phenomenon in 4 patients and emphasize its usefulness in evaluating intestinal obstructions.

Adult↗

[A case of intestinal obstruction in pregnancy].

Intestinal obstruction during pregnancy is a rare and dangerous complication. The causes of its occurrence are previous operations ad inflammation and one of their results: adhesions. Symptoms of intestinal obstruction (nausea, vomiting, constipation) rarely occur simultaneously and often accompany normal pregnancy, hampering diagnosis. Abdominal X-ray often represents the only complementary investigation diriment for diagnosis. A case of intestinal obstruction at 36 weeks gestation is reported to emphasize diagnostic difficulties of this rare pregnancy complication.

Adult↗

Intraluminal Miller-Abbott tube stenting as treatment and prophylaxis of recurrent intestinal obstruction.

Chronic recurrent intestinal obstruction due to massive adhesions after abdominal surgery is a complication that is difficult to treat. The records were studied of 25 patients with acute intestinal obstruction due to massive adhesions. Since conservative measurements were unsuccessful, the patients were treated with internal intestinal splinting by means of a Miller-Abbott tube. These 25 patients underwent a total of 72 operations, 36 were performed for mechanical obstruction. Conservative treatment alone was effective during 25 admissions. The complaints of the patients lasted five years on an average. After lysis of adhesions the Miller-Abbott tube was introduced either via the nose, via a gastrostomy or via an enterostomy. The tube was left in situ for three weeks and then gradually withdrawn. There was no hospital mortality. There was one postoperative complication: a tube had to be removed under general anaesthesia. Long-term follow-up of the patients varied from 4.5 to 19 years with a mean of 11.3 years. One patient with recurrent intestinal obstruction due to adhesions, required surgical intervention after one year. A second patient with Peutz-Jeghers syndrome needed surgery because of an intestinal adenoma after six years. The mean symptom-free interval was 11.1 years in the cured patients.

Female↗

Late postoperative intestinal obstruction.

Early postoperative intestinal obstruction is most successfully treated with intestinal intubation with a long intestinal tube of the Miller-Abbott, Harris or Cantor type, and only when this fails is reoperation indicated. However, late postoperative intestinal obstruction is better treated by operation as soon as the diagnosis is established and the patient is prepared for the procedure. Decompression of the bowel at the time of operation has become a procedure of choice and it is now possible to completely decompress the bowel in the course of the operation using a Foley catheter inserted through a stab wound in the bowel. Details of the technique are described in this article.

Decompression↗

[The colonic atresia: an uncommon cause of neonatal intestinal obstruction].

The intestinal atresia is a common cause of neonatal bowel obstruction, but the colonic atresia is an uncommon cause of neonatal intestinal obstruction. We present a newborn with congenital colon atresia who underwent laparotomy, revealing a colonic atresia type III. We recommend resection of the dilated proximal colon with primary anastomosis end to end if the patient is not perforated or in bad general conditions.

Anastomosis, Surgical↗

Intestinal metastases from renal cell carcinoma: a rare cause of intestinal obstruction and bleeding.

Intestinal metastases from renal cell carcinoma (RCC) are rare. Clinical presentation includes intestinal obstruction, bleeding, or perforation. Management should be aggressive, since the prognosis of RCC is unpredictable and metastasectomy can extend patient survival. We present a patient with intestinal obstruction and bleeding caused by intestinal metastases from renal cell carcinoma and summarize the surgical procedures employed. The relevant literature is briefly reviewed.

Aged↗

Intestinal obstruction in pregnancy.

Intestinal obstruction is an unusual complication of pregnancy, but may be encountered more frequently in the future. Two patients with such a complication are described. Relief of the obstruction was achieved by surgical intervention in one patient and by delivery of a term baby in the other. The management of intestinal obstruction in late pregnancy is discussed.

Adult↗

[Acute intestinal obstruction caused by congenital intestinal abnormalities].

By means of two examples--one in pregnancy, the other one after an abdominal hysterectomy--we report on a rare cause of an acute mechanical ileus. In both cases an incomplete intestinal turn with distinct mobility of the colon caused a volvulus. It is pointed to the importance of an early diagnosis inspite of aggravating circumstances in late pregnancy, parturition and postoperatively after gynecologic operations. Effective operative treatment is based on careful exploration of the abdomen in order not to overlook rare causes of an ileus, among those also fetal developmental disturbances of the intestine and other abdominal viscera. Only by operative removing of the causes of an ileus in cooperation with surgeons--and that in good time--the results in gynecology can be improved especially during pregnancy but also postoperatively.

Acute Disease↗

Evidence of secondary neuronal intestinal dysplasia in a rat model of chronic intestinal obstruction.

The etiology of neuronal intestinal dysplasia remains largely unknown. There is, however, supporting evidence of the existence of Hirschprung's disease or chronic intestinal obstruction associated with neuronal intestinal dysplasia. With the aim of investigating the possible development of neuronal intestinal dysplasia linked to chronic intestinal obstruction, we have examined the enteric nervous system response to long-term obstruction in a rat model. Three different surgical techniques were tested in Wistar male rats. In animals that survived longer than the cutoff chronic intestinal obstruction point (6 weeks), full-thickness biopsies and acetylcholinesterase (AChE), NADH, hematoxylin-eosin, and anti-S100 protein stainings were performed. The results of our model indicate that chronic intestinal obstruction induced different degrees of enteric nervous system dysplasia, including histological features of neuronal intestinal dysplasia. The relationship between chronic intestinal obstruction and anomalies of the enteric nervous system, including neuronal intestinal dysplasia, needs to be further studied.

Acetylcholinesterase↗

Intestinal obstruction in neonatal/pediatric surgery.

Intestinal obstruction in the newborn infant and older child may be due to a variety of conditions, including atresia and stenosis, annular pancreas, malrotation, duplication cyst, meconium ileus, meconium plug syndrome and neonatal small left colon syndrome, Hirschsprung's disease, neoplasia, trauma, and other rarer causes. The mode of presentation can be acute or more chronic with systemic upset due to shock. Neonates, more so than older children, with unrecognized intestinal obstruction deteriorate rapidly, show an increase of associated morbidity and mortality and appropriate surgical treatment becomes more hazardous. Early diagnosis depends largely on the prompt detection of obstructive manifestations by the clinician and the subsequent accurate interpretation of radiographic findings and other investigations, leading to definitive treatment, which should always be preceded by appropriate resuscitation/preparation of the infant/child. Management of intestinal obstruction will almost always be surgical, apart from some notable exceptions and all are discussed in more detail. With the advent of pediatric and neonatal intensive care and multidisciplinary care, the morbidity and mortality of cases of intestinal obstruction reported in current series is generally extremely low and mainly determined by the coexistence of other major congenital anomalies (eg, cardiac), delays in diagnosis and treatment or coexisting medical conditions. Newer treatments and future developments may reduce the residual mortality in such cases as ultrashort-bowel syndrome.

Child↗

[Diagnosis and treatment of acute intestinal obstruction in cancer of the large intestine].

A complex program of treatment of acute intestinal obstruction in carcinoma of the large bowel has been developed on the basis of an analysis of 71 patients. Urgent operations were performed in 70% of the patients with acute intestinal obstruction after a short preoperative preparing. Due to substantial metabolic and immunologic shifts the complex parenteral immunostimulating therapeutic measures are necessary in the postoperative period for all the patients.

Acute Disease↗