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PubMed2001

Sudden death and intussusception in infancy and childhood--autopsy considerations.

Search of the autopsy files of the Department of Histopathology at the Women's and Children's Hospital (WCH), Adelaide, Australia for cases of intussusception from January 1961 to December 1995 revealed two deaths due to intussusception out of a total of 4,384 autopsies (0.05%). Both cases occurred in infants (aged five months and six months respectively) who had only non-specific and apparently minor manifestations of illness, until precipitate deterioration occurred. The intussusceptions were ileo-ileal and ileocaecal in location, respectively. A total of 204 cases of intussusception were found in a search of 28,123 surgical pathology cases (0.73%) at the WCH over the 20-year period from 1976 to 1995. Mesenteric lymphadenopathy was found in 16 cases (including one with possible Yersinia infection), Meckels diverticulum in 14, isolated gastric/pancreatic heterotopia in two, cystic fibrosis in two and Henoch-Schonlein purpura in one. Although it has been shown that unexpected death is more likely to occur in older children with purely small intestinal intussusception, the current cases demonstrate that unexpected death may occur at any age, with intussusception at any level. The autopsy assessment of deaths due to intussusception requires careful evaluation of cases for evidence of local or systemic disease, particularly given the hereditary nature of certain predisposing conditions. Careful review of the presenting history is also required to assess the quality of care received by the child in the time preceding death.

Age Distribution↗
PubMed2001

Intussusception among recipients of rotavirus vaccine: reports to the vaccine adverse event reporting system.

BACKGROUND: Rotavirus vaccine was licensed on August 31, 1998, and subsequently recommended for routine use among infants. To assess rare adverse events, postlicensure surveillance was conducted. OBJECTIVE: To describe the cases of intussusception among rotavirus vaccine recipients reported to the Vaccine Adverse Event Reporting System from October 1998 through December 1999. SETTING AND PARTICIPANTS: Infants vaccinated with rotavirus vaccine in the United States. OUTCOME MEASURES: Intussusception confirmed by radiology, surgery, or autopsy report with medical record documentation or confirmed by a primary health care provider. RESULTS: There were 98 confirmed cases of intussusception after vaccination with rotavirus vaccine reported to the Vaccine Adverse Event Reporting System; 60 of these developed intussusception within 1 week after vaccination. Based on calculations using vaccine distribution data and intussusception incidence rates from 2 separate databases, an estimated 7 to 16 cases would have been expected to occur in the week after vaccination by chance alone. CONCLUSION: Using a passive surveillance system for vaccine adverse events, we observed at least a fourfold increase over the expected number of intussusception cases occurring within 1 week of receipt of rotavirus vaccine. Other studies were initiated to further define the relationship between rotavirus vaccine and intussusception. In light of these and other data, the rotavirus vaccine manufacturer voluntarily removed its product from the market, and the recommendation for routine use of rotavirus vaccine among US infants has been withdrawn.

Adverse Drug Reaction Reporting Systems↗
PubMed2001

Complications of enteroplication for the prevention of intussusception recurrence in dogs: 35 cases (1989-1999).

OBJECTIVE: To compare complication and recurrence rates in dogs treated for intussusception that underwent enteroplication to rates in dogs treated for intussusception that did not undergo enteroplication. DESIGN: Retrospective study. ANIMALS: 35 dogs with intestinal intussusception. PROCEDURE: Information on signalment, clinical signs, potential predisposing causes, surgical technique, opioid administration, use of enteroplication, postoperative complications, and whether the intussusception recurred was obtained from the medical records. RESULTS: Dogs ranged from 8 weeks to 10 years old. Opioids were administered in the perioperative period in 34 dogs. Enteroplication was performed in 16 dogs. Complications of enteroplication that required a second surgery were identified in 3 dogs. None of the 16 dogs that underwent enteroplication had a recurrence of intussusception, whereas 1 of the 19 dogs that did not undergo enteroplication had a recurrence. Rate of intussusception recurrence and likelihood that a second surgical procedure would be required were not significantly different between dogs that underwent enteroplication and dogs that did not. CONCLUSIONS AND CLINICAL RELEVANCE: Results suggest that enteroplication may be associated with life-threatening complications in dogs, but the likelihood of a dog requiring a second surgical procedure following surgical correction of intussusception was not different between dogs that underwent enteroplication at the time of the initial surgery and dogs that did not.

Anastomosis, Surgical↗
PubMed2006

Validation of clinical case definition of acute intussusception in infants in Viet Nam and Australia.

OBJECTIVE: To test the sensitivity and specificity of a clinical case definition of acute intussusception in infants to assist health-care workers in settings where diagnostic facilities are not available. METHODS: Prospective studies were conducted at a major paediatric hospital in Viet Nam (the National Hospital of Pediatrics, Hanoi) from November 2002 to December 2003 and in Australia (the Royal Children's Hospital, Melbourne) from March 2002 to March 2004 using a clinical case definition of intussusception. Diagnosis of intussusception was confirmed by air enema or surgery and validated in a subset of participants by an independent clinician who was blinded to the participant's status. Sensitivity of the definition was evaluated in 584 infants aged<2 years with suspected intussusception (533 infants in Hanoi; 51 in Melbourne). Specificity was evaluated in 638 infants aged<2 years presenting with clinical features consistent with intussusception but for whom another diagnosis was established (234 infants in Hanoi; 404 in Melbourne). FINDINGS: In both locations the definition used was sensitive (96% sensitivity in Hanoi; 98% in Melbourne) and specific (95% specificity in Hanoi; 87% in Melbourne) for intussusception among infants with sufficient data to allow classification (449/533 in Hanoi; 50/51 in Melbourne). Reanalysis of patients with missing data suggests that modifying minor criteria would increase the applicability of the definition while maintaining good sensitivity (96-97%) and specificity (83-89%). CONCLUSION: The clinical case definition was sensitive and specific for the diagnosis of acute intussusception in infants in both a developing country and a developed country but minor modifications would enable it to be used more widely.

Acute Disease↗
PubMedDate not supplied

Changing clinicopathological profile of intussusception in Nigeria--a 20-year review.

BACKGROUND/AIMS: Intussuception was a common cause of intestinal obstruction at the University College Hospital, Ibadan. A peculiar type characterized by being ceco-colic, and found most commonly in adults, was the commonest variety found, but over the last few years this type of intussusception appears to have reduced in incidence. The aim of the study is to define the relative incidence of intussusception and the contribution of the various types of the overall incidence as seen at the University College Hospital, Ibadan, Nigeria. METHODOLOGY: Review of case notes and the surgical pathology records of all cases of Intussusception seen at the University College Hospital, Ibadan between 1975 and 1994 was done. RESULTS: There was a 48.1% decline in the absolute number of cases seen during the period of the study, and this decline was more among adult cases than infantile intussusception. The mean age of presentation of infantile intussusception was 8 months, while it was 42 years for adults. The classical triad of vomiting, pain and bloody stool was seen in only 15% of cases. Morbidity and mortality rates were high at 18 and 8.5% respectively and this was related to delayed presentation. CONCLUSIONS: The incidence of intussusception has fallen in the community studied and this decline has affected the adult age group and the ceco-colic type of intussusception more. Late presentation is a feature of most cases and is related to the high mortality and morbidity rates seen.

Adolescent↗
PubMedDate not supplied

[Intestinal intussusception in children. Ultrasonic diagnosis].

The aim of the paper is to demonstrate a successful use of ultrasound in the diagnosis of intestinal intussusception in children. Ultrasound decreases the number of irrigographic examinations and reduces diagnostic exposure of children to X-rays. In the last three years 35 children, aged from 3 months to 15 years (average 2 years), had a suspected clinical diagnosis of intussusception. The ultrasound studies revealed intestinal intussusception in 26 patients (74%). There were no false positive or false negative ultrasound findings. In four patients with secondary intussusception the main symptoms were identified (three solid lesions and two Meckel's diverticula). Intraluminal lesions at the apex of intussusception were confirmed by surgery. In 22 patients intussusception was idiopathic. In 15 of these patients (68%), hydrostatic desinvaginations, under combined ultrasound and radioscopic control, were successful. High grade unsuccessful hydrostatic reductions were associated with long persistence of symptoms (2 to 9 days). Ultrasound is reliable in diagnosis of intestinal intussusception and useful in control of hydrostatic reduction. In patients with expected intestinal perforation ultrasound should be combined with fluoroscopy.

Adolescent↗
PubMedDate not supplied

[Retrograde intussusception posterior to gastrojejunal anastomosis. Report of a case].

OBJECTIVE: We report a case of retrograde jejunogastric intussusception in a patient with previous gastric surgery who required surgical treatment for its resolution. BACKGROUND: While intussusception is relatively common in children, it is infrequently seen in adults. Five percent of all cases occur in adults and in 90% of these, there is a lead point, a well-definable pathologic abnormality. Retrograde jejunogastric intussusception is a rare complication after gastrojejunostomy. The most common symptoms are pain, nausea, vomiting and blood per rectum. Diagnosis of adult intussusception is often difficult and is base in clinical suspicion and noninvasive techniques. METHOD: A case of a retrograde intussusception in a patient after gastric surgery who presented with abdominal pain and gastrointestinal bleeding. RESULTS: The patient underwent surgical treatment with reduction of the intussusception. The postoperative evolution was satisfactory. CONCLUSIONS: Management of intussuception in adults is usually laparotomy and in 90% of cases, a pathologic lesion will be identified. Retrograde jejunogastric intussusception is also managed surgically and simple reduction is the accepted form of treatment in most cases.

Aged↗
PubMed2004

Antiperistaltic (retrograde) intussusception after Roux-en-Y gastric bypass.

Adult intussusception has been described after various types of gastrointestinal surgery. In some instances there may be intussusception of the jejunum into the stomach via a gastrointestinal stoma, a rare complication known as jejunogastric intussusception (JGI). We present a retrospective review of two cases of retrograde intussusception occurring years after open Roux-en-Y gastric bypass (RYGB) for morbid obesity. To our knowledge there have been no documented reports of JGI occurring after RYGB and only scattered reports of JGI after Roux-en-Y reconstruction in general. Two reports of intussusception following RYGB were identified in the English literature and comprised three patients, only one of whom suffered a retrograde intussusception. As the number of RYGB procedures continues to rise, we will likely see more of this entity; and it is therefore crucial that surgeons consider acute and chronic intussusception as a cause of abdominal pain in patients who have undergone RYGB.

Adult↗
PubMed2005

Rotavirus vaccines and intussusception risk.

PURPOSE OF REVIEW: Rotavirus infection is the leading cause of severe dehydrating gastroenteritis, responsible for an estimated 440,000 deaths per year in children less than 5 years of age worldwide. There was great optimism when the first rotavirus vaccine was licensed in the United States in July 1998 (rhesus rotavirus tetravalent, RRV-TV, Rotashield, Wyeth Laboratories, Marietta, PA). However, 9 months after the vaccine become available, the rotavirus immunization program was suspended due to reports of an association between the vaccine and intussusception. The estimation of risk of intussusception with Rotashield immunization has been the subject of debate and is discussed in this review. RECENT FINDINGS: The risk of intussusception following Rotashield immunization is estimated to be between 1 in 10,000 to 1 in 32,000 vaccinees. The risk is highest during the 3 to 14 days following receipt of the first dose of vaccine. Infants older than 3 months at the time of the first dose of vaccine are at increased risk of intussusception. SUMMARY: The association between Rotashield and the development of intussusception has presented a major challenge to the development of rotavirus vaccines. Intussusception risk is greatest in the first 3 to 14 days following the receipt of the first dose of Rotashield in infants older than 3 months of age. Although there continues to be debate surrounding the exact quantitation of risk of intussusception, it is accepted as a rare adverse event. The development of alternate rotavirus vaccines and emerging manufacturers in developing countries has renewed optimism for the reduction of the global burden of rotavirus disease.

Diarrhea, Infantile↗
PubMed1995

[Intestinal intussusception in children].

Enteric intussusception is one f the most frequent causes of acute abdomen in early childhood, with an incidence of 1.3-2/1000 children born and higher frequency from the third to the twelfth month. Primary intussusception is related to predisponsing factors such as peristalsis disorders or Peyer's patch hypertrophy induced by viral infection. Secondary intussusception is due to organic injury in the intestinal wall. The most involved sites are the terminal ileum and the ileocecum, the most frequent type is ileocolic intussusception. Many clinical forms exist, including acute enteric intussusception with its pathognomonic triad intermittent abdominal pain, emesis and rectal bleeding and the atypical form with a neurological presentation, where sopor, myosis and muscular atonicity are dominating, Intussusception can also present in a subacute or chronic form with a slow and apsecific onset. In a retrospective investigation we examined 30 cases of intussusception in children hospitalized at the Pediatric Clinic of Pisa from the 1960s up to today. Our patients (16 males and 14 females) were aged between one month and two years. Clinical presentations resulted in; typical forms (60%), atypical forms (16%), subacute forms 13%) and recurrent forms (10%). Clinical suspicion was confirmed either by the presence of blood observed during rectal exploration, which is a pathognomonic sign, or by the opaque enema which led to recovery by means of hydrostatic reduction in 40% of the cases. The remaining patients (60%) underwent surgery.(ABSTRACT TRUNCATED AT 250 WORDS)

Abdomen, Acute↗
PubMed1994

Intussusception in infants and children: risk factors leading to surgical reduction.

Intussusception is commonly the etiology of intestinal obstruction in infants and children. To investigate demographic data, clinicopathologic features and therapeutic prognosis of patients with intussusception, we reviewed 361 intussusceptions in 333 patients over an 11-year period. Most patients were below two years of age and there was a male preponderance of 1.6:1. There was no seasonal difference between the number of cases. The clinical triad of vomiting, abdominal colicky pain and bloody stools was manifested in only one-third of our patients. Secondary intussusception contributed to 6.6% of cases and Meckel's diverticulum was the most common pathologic cause. Positive findings were recorded in 82% of 67 patients undergoing sonographic examination. Intussusception of the ileo-colic type was most frequently encountered. Most patients (79%) were diagnosed within 48 hours and almost all cases underwent primary barium enema reduction. The success rate was 45%. Laparotomy was performed in 207 patients (57%) refractory to enema reduction or with critical illness, and intestinal resection was required in 28 (14%). Long-standing duration of illness (> 24 hours), positive clinical triad, positive pathologic lead point, and radiologic finding of bowel obstruction were identified as risk factors leading patients to surgical reduction (p < 0.001). Postoperative complications and recurrent intussusception developed in some patients, and the overall mortality was 0.6%. The clinical characteristics of intussusception in children generally remained unchanged as compared to previous reports. Early identification of patients with risk factors for surgical treatment is important to decrease the need for intestinal resection.

Adolescent↗
PubMed1994

Enteroplication for the prevention of intussusception recurrence in dogs: 31 cases (1978-1992).

Medical records of 31 dogs that had undergone surgery for correction of intussusception during a 14-year period were reviewed. Enteroplication was performed on 9 dogs during the initial surgery, and intussusception did not recur in any of these dogs. Intussusceptions recurred in 6 of 22 dogs without enteroplication. Five of these dogs had undergone resection of the primary lesion and anastomosis and 1 dog had undergone manual reduction of the intussusception. Intussusceptions recurred proximal to the initial lesion in 4 dogs, and at the same site in 2 dogs. Enteroplication was performed in 4 dogs following surgical correction of recurrence of an intussusception, and further recurrences were not seen in any of these dogs. Enteroplication did not cause any apparent adverse effects and decreased the probability of recurrence of intussusception in these dogs.

Anastomosis, Surgical↗
PubMed1994

Intussusception associated with Salmonella typhimurium enterocolitis.

Intussusception in the adult is unusual, and its etiology is mostly neoplastic. In most cases of intussusception, a polypoid tumor located in the terminal ileum invaginates within the cecum. We described an unusual case of adult intussusception associated with Salmonella typhimurium enterocolitis. Preoperative diagnosis of intussusception in the ileocecal region was made by ultrasonography, and the ileocecal region containing the mass in the cecum, causing the intussusception, was resected. Histological features of the mass included an edematous focal wall thickening. Later, the diagnosis of S. typhimurium enterocolitis was made by the preoperative stool cultures. This case demonstrated intussusception as a complication of S. typhimurium enterocolitis. It is worth noting that S. typhimurium enterocolitis is in fact a potential cause of intussusception.

Cecal Diseases↗
PubMed1996

Intussusception in children and adults in Zaria: a comparison.

OBJECTIVES: To compare and contrast the symptomatology and the anatomical type of the intussusception in children and adults in Zaria. DESIGN: Retrospective study. SETTING: Hospital. SUBJECTS: 93 patients with intussusception. MAIN OUTCOME MEASURES: Frequency of intussusception. RESULTS: Colicky abdominal pain featured often enough in both groups with most symptoms and signs decreasing in frequency from infancy to adulthood. The ratio of small bowel to large bowel disease in infants, older children and adults was 1;8:1, 0;6:1 and 1:1 respectively. Infantile intussusception involving the small bowel was more common, and in older children large bowel involvement was commoner, while 50pc of adult intussusceptions were paradoxically small bowel. Overall, small bowel intussusception was most common with the ileocolic variety predominating. CONCLUSIONS: The most common type of intussusception in our environment is the ileocolic variety.

Adolescent↗
PubMed1997

[Triple jejuno-jejunal intussusception discovered and treated with laparoscopy].

Jejunojejunal intussusception is infrequent in the adult. A 17 years old women presented a right lower quadrant pain since 24 hours. Under coelioscopy, jejunum was thickened, and hyperrontractible. Three jejunojejunal intussusceptions were discovered and ensily treated under coelioscopy. During post-operative days, fibroptic gastroscopy was normal, and the first jejunal segment was normal. Intestinal barium transit showed a dilated jejunal segment with thichened mucosa. Stools parasitology was negative. Three months later, patient was admitted with right lower quadrant pain recurrence. Coelioscopy did not show any intussusception. Appendectomy was undertaken. Histological analysis showed appendiceal oxyuris. The case described is characterised by three concomitant intussusceptions, the proximal jejunal site of the intussusceptions, the site of the pain distant from the intussusceptions, the occurrence in a young adult, the coelioscopic diagnosis, and the coelioscopic treatment. Diagnostic coelioscopy with complete exploration of the small intestine permit diagnosis and treatment under coelioscopy of jejunojejunal intussusception.

Adolescent↗
PubMed1999

Cecocolic and cecocecal intussusception in horses: 30 cases (1976-1996).

OBJECTIVE: To determine the prognosis in horses with cecocolic or cecocecal intussusception. DESIGN: Retrospective study. ANIMALS: 30 horses with cecocolic intussusception or cecocecal intussusception. PROCEDURE: Information on history, physical examination findings, and laboratory values was summarized from the medical records. Laboratory data included results of hematologic examination, serum biochemical analysis, and peritoneal fluid color, total nucleated cell count, and total protein concentration. A one-year follow-up via the telephone was used to determine long-term survival. RESULTS: Horses ranged from 7 months to 30 years old, but 63% were < or = 3 years. Standardbred horses were significantly overrepresented. Twenty-six horses had acute-to-subacute disease, and 4 had a chronic wasting disease. Cecal intussusceptions were suspected on the basis of finding a mass on abdominal palpation per rectum (14 of 24 horses) and positive ultrasonographic findings (2 of 3 horses). Thirteen horses with colic for > 1 day had scant, soft feces. Six horses died or were euthanatized without undergoing surgery, and 24 were treated surgically. Six of the latter horses were euthanatized during surgery because of peritonitis, rupture of the cecum, and irreducible intussusception. All 4 horses with a chronic disease were euthanatized because of irreversible changes in the cecum. Of the 18 horses allowed to recover from surgery, 15 survived long-term. Surgical treatments were reduction, with or without partial typhlectomy (6 horses), partial typhlectomy through a colotomy and reduction (6), reduction through a colotomy and partial typhlectomy (3), partial typhlectomy for a cecocecal intussusception (1) and an ileocolostomy (2). CLINICAL IMPLICATIONS: Cecal intussusception has a good prognosis with surgical correction without delay. Reduction through colotomy has a high success rate. Bypass by ileocolostomy should be used as a last resort.

Animals↗
PubMed2005

Microvascular growth, development, and remodeling in the embryonic avian kidney: the interplay between sprouting and intussusceptive angiogenic mechanisms.

Embryonic development is associated with extensive vascular growth and remodeling. We used immunohistochemical, light and electron microscopical techniques, as well as vascular casting methods to study the developing chick embryo kidney with special attention to the interplay between sprouting and intussusceptive vascular growth modes. During inauguration at embryonic day 5 (E5), the early mesonephros was characterised by extensive microvascular sprouting. By E7, the vascular growth mode switched to intussusception, which contributed to rapid kidney vasculature growth up to E11, when the first obvious signs of vascular degeneration were evident. The metanephros underwent similar phases of vascular development inaugurating at E8 with numerous capillary sprouts and changing at E13 to intussusceptive growth, which was responsible for vascular amplification and remodeling. A phenomenal finding was that future renal lobules arose as large glomerular tufts, supplied by large vessels, which were split into smaller intralobular feeding and draining vessels with subsequent formation of solitary glomeruli. This glomerular duplication was achieved by intussusception, i.e., by formation of pillars in rows and their successive merging to delineate the vascular entities. Ultimately, the maturation of the vasculature was achieved by intussusceptive pruning and branching remodeling. An interesting finding was that strong VEGF expression was associated with the sprouting phase of angiogenesis while bFGF was upregulated during the phase of intussusceptive microvascular growth. We conclude that microvascular growth and remodeling in avian kidney follows an adroitly crafted pattern, which entails a precise spaciotemporal interplay between sprouting and intussusceptive angiogenic growth modes supported partly by VEGF and bFGF.

Animals↗
PubMed1987

Intussusception in children 5-15 years of age.

Twenty cases of intussusception in children between the ages of 5 and 15 years were compared with intussusception in infancy and early childhood. They accounted for 18.5 per cent of all 108 children treated for intussusception in two large hospitals from 1964 to 1984. Diagnosis of intussusception was delayed, probably due to an unusual presentation. Fifty-five per cent had a definite predisposing factor precipitating the intussusception and 45 per cent had a small bowel intussusception, which warranted early surgical intervention. In the absence of contraindications no child should be disqualified from an attempt at hydrostatic reduction. After hydrostatic reduction careful follow-up is required to exclude an organic lesion, possibly by a small bowel follow-through meal. Surgery is indicated after hydrostatic reduction in case of chronically recurrent abdominal complaints.

Adolescent↗