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Query: UMLS:C0000737 (abdominal pain)
 31,184 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Strongyloidiasis, caused by Strongyloides stercoralis, is endemic in tropical and subtropical regions. Whether or not the infection rate is higher among indigenous populations in Taiwan remains unclear. The aim of our study was to assess the racial demographics, diagnoses and clinical details of strongyloidiasis. A total of 41 patients (27 males and 14 females) with strongyloidiasis at a tertiary referral centre in eastern Taiwan in a 21-year period were investigated retrospectively. The majority (36/41, 88%) of these patients lived in rural townships. Common clinical symptoms were anorexia, abdominal pain, nausea, vomiting, fever, coughing and diarrhea. The laboratory abnormalities were anemia, eosinophilia, and leukocytosis. The average age of the indigenous patients was younger than that of the Hans Chinese patients. Alcoholism among the indigenous Taiwanese (all males) was significantly more frequent than in the Hans Chinese, which might be one of the reasons that the indigenous males had a higher infection rate than Hans Chinese males. The group of patients with intestinal strongyloidiasis exhibited a significant lower mortality and a higher recovery rate than those with hyperinfection syndrome. Leptospirosis should be considered as an underlying factor associated with strongyloidiasis, especially in indigenous patients. The relationship and mechanism of leptospira-induced overwhelming infection including strongyloidiasis remains to be elucidated.
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PMID:Strongyloides stercoralis infection: a health issue regarding indigenous people in Taiwan. 2264 49

Since the first case of strongyloidiasis reported in China in 1973, there have been 330 confirmed cases as of 2011. The present study conducted a meta-analysis on 106 cases for which detailed information on clinical symptoms, diagnosis, and outcome was available. Most (63%) cases were from the past decade. Immunocompromised patients and those given cortical hormones accounted for 68% of the cases, and case-fatality rate was 38%. General clinical symptoms included abdominal pain (53%), diarrhea (46%), fever (40%), and vomiting (39%). The parasite positivity rate in feces, sputum, and urine by microscopic diagnosis was 75%, 24%, and 8%, respectively, and gastrointestinal endoscopy or other biopsy detection rates were 17%. A lack of specific clinical manifestations makes early diagnosis and correct treatment difficult. Strongyloidiasis is an emerging disease in China, and public and clinical awareness needs to be raised to improve prevention and control.
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PMID:Strongyloidiasis: an emerging infectious disease in China. 2346 57

Recurrent abdominal pain may be enigmatic to solve. We report three cases, presenting after a protracted history of severe recurrent bouts of epigastric pain, impeding daily activities. In all cases, serology for strongyloidiasis stercoralis proved positive. In one case, stool examination was positive for larvae. Treatment with ivermectin or albendazole resulted in complete resolution of abdominal symptoms without recurrence in all three cases.
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PMID:A rare cause of severe recurrent abdominal pain. 2362

Strongyloidiasis is caused by Strongyloides stercoralis, a parasitic nematode (worm). Initial symptoms can include abdominal pain, diarrhea, or rash. Infection is often asymptomatic in the chronic phase but can be life-threatening in immunosuppressed persons. Transmission typically occurs when larvae from stool-contaminated soil penetrate skin; intraintestinal autoinfection is also possible, sometimes allowing infection to persist for decades. Serologic studies are often used in prevalence estimates because intermittent shedding can make stool-based testing insensitive. Strongyloidiasis is most common in tropical and subtropical environments with poor sanitation. In the United States, it is commonly reported among refugees and immigrants; in the 1980s, studies in the rural southeastern United States also reported prevalence estimates ranging from 1.2%-6.1%. Prevalence might have since decreased because of investments in sanitation; however, no recent studies have been done, and strongyloidiasis is not a reportable disease in any state.
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PMID:Notes from the field: Strongyloidiasis in a rural setting--Southeastern Kentucky, 2013. 2415 16

Strongyloides stercoralis is an endemic parasitic infection of tropical areas, but it is rare in Europe. Most infected immunocompetent patients are asymptomatic, but may present with abdominal pain and diarrhea even several years after acquiring the infection. However, in immunocompromized patients, hyperinfection syndrome has a high mortality rate. Risk factors for the hyperinfection syndrome are corticosteroids and infection with human T lymphotropic virus type 1. Diagnosis of strongyloidiasis is usually made by identifying the larvae in the stool or in duodenal biopsies. There are only four published cases of strongyloidiasis in Greek patients, three of them were immunocompromized. In our patient videocapsule endoscopy identified rhabditiform larvae suggestive of strongyloidiasis. This case report illustrates the difficulty in establishing a diagnosis of the disease in immunocompetent patients.
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PMID:Possible Strongyloides stercoralis infection diagnosed by videocapsule endoscopy in an immunocompetent patient with devastating diarrhea. 2471 13

Strongyloides stercoralis hyperinfection syndrome is a rare, yet highly fatal disorder. It occurs most commonly in immunocompromised patients. We report a case of a 36-year-old Ethiopian female who presented with abdominal pain and hypotension. Shortly thereafter, she developed acute respiratory failure and progressed to acute respiratory distress syndrome and septic shock. She was found to have diffuse alveolar hemorrhage due to disseminated strongyloidiasis. We discuss the clinical condition of Strongyloides hyperinfection syndrome presenting with severe hypoxemia and complicated by severe diffuse alveolar hemorrhage leading to death. Similar cases in the literature are also describe.
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PMID:Diffuse alveolar haemorrhage and severe hypoxemia from Strongyloides stercoralis hyperinfection syndrome. 2490 77

We report on a fatal case of disseminated strongyloidiasis during corticosteroid treatment presenting with abdominal pain, diarrhoea and lower gastrointestinal bleeding. The patient emigrated from Thailand 16 years before the current hospitalisation. Complicated strongyloidiasis is a relatively unrecognized complication of corticosteroid therapy in non-endemic areas. In individuals who have resided in endemic areas, even decades before treatment, strongyloidiasis should be excluded before initiation of immunosuppressants.
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PMID:An unsuspected cause of diarrhoea and gastrointestinal bleeding during corticosteroid therapy. 2509 Aug 26

Strongyloidiasis is infection caused by the nematode Strongyloides stercoralis. Chronic uncomplicated strongyloidiasis is known to occur in immunocompetent individuals while hyperinfection and dissemination occurs in selective immunosuppressed hosts particularly those on corticosteroid therapy. We report two cases of hyperinfection strongyloidiasis in renal transplant recipients and document endoscopic and pathological changes in the involved small bowel. One patient presented with features of dehydration and malnutrition while another developed ileal obstruction and strangulation, requiring bowel resection. Oesophagogastroduodenoscopy showed erythematous and thickened duodenal mucosal folds. Histopathological examination of duodenal biopsies revealed S. stercoralis worms, larvae and eggs embedded in mucosa and submucosa. Wet mount stool preparation showed filariform larvae of S. stercoralis in both cases. Patients were managed with anthelmintic therapy (ivermectin/albendazole) and concurrent reduction of immunosuppression. Both patients had uneventful recovery. Complicated strongyloidiasis should be suspected in immunocompromised hosts who present with abdominal pain, vomiting and diarrhoea, particularly in endemic areas.
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PMID:Hyperinfection strongyloidiasis in renal transplant recipients. 2515 Feb 35

Strongyloidiasis is a parasitic infection that occurs in tropical regions. Hyperinfection, which is an accelerated autoinfection, is often associated with an immunosuppressive state, such as HTLV-1 infection or steroid use. Immunosuppression can also lead to reactivation of tuberculosis infection. These infections may have interacted as a result of impaired cellular immunity. A 28-year-old Nepali male was referred to our hospital for slight abdominal pain and high fever. An abdominal CT scan showed ascites and intestinal swelling. He was admitted with suspected gastroenteritis. Results of stool microscopy on the third day of hospitalization revealed abundant strongylid larvae. We diagnosed a Strongyloides hyperinfection and prescribed ivermectin. Although the numbers of strongylid organisms in the patient's stool soon diminished, his temperature remained high. After receiving a second dose of ivermectin on day 17, he was transferred to a nearby hospital for observation, where he was noted to have massive pleural effusion. He returned to our hospital where his pleural effusion was found to be positive for adenosine deaminase (ADA), and he was diagnosed with a tuberculosis infection. Strongyloides hyperinfection can occur in a non-endemic region. It can be associated with tuberculosis infection possibly due to impaired cellular immunity. It is important to consider other possible infections when treating a patient with an infection associated with impaired cellular immunity.
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PMID:A case of Strongyloides hyperinfection associated with tuberculosis. 2570 1

We report here a case of strongyloidiasis in a 72-year-old diabetic patient (woman) accompanied by gastrointestinal stromal tumor receiving imatinib therapy, first diagnosed as hypereosinophilic syndrome and treated with steroids for uncontrolled eosinophilia. She suffered from lower back pain and intermittent abdominal discomfort with nausea and diagnosed with gastrointestinal stromal tumor. After post-operative imatinib treatment eosinophilia persisted, so that steroid therapy was started under an impression of hypereosinophilic syndrome. In spite of 6 months steroid therapy, eosinophilia persisted. Stool examination was performed to rule out intestinal helminth infections. Rhabditoid larvae of Strongyloides stercoralis were detected and the patient was diagnosed as strongyloidiasis. This diagnosis was confirmed again by PCR. The patient was treated with albendazole for 14 days and her abdominal pain and diarrhea improved. This case highlights the need for thorough investigation, including molecular approaches, to test for strongyloidiasis before and during steroid therapies.
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PMID:Strongyloidiasis in a diabetic patient accompanied by gastrointestinal stromal tumor: cause of eosinophilia unresponsive to steroid therapy. 2592 83


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