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Biomedical subjects

Tufan Kutlu

Publications and source records attributed to Tufan Kutlu.

11 recordsLinked to original sources
PubMed2006

Caustic gastroesophageal lesions in childhood: an analysis of 473 cases.

Ingested corrosive agents produce oropharyngeal and gastroesophageal injuries ranging from minor burns to severe necrosis, depending on the agent amount, concentration, and duration of exposure. The aim of this study was to present our patients with corrosive ingestion retrospectively. Four hundred seventy-three children younger than 16 years of age (mean age, 3.7+/-0.1 years) who were admitted to our hospital for suspected corrosive ingestion between the years 1995 and 2003 were studied. Two hundred eighty-six (60.5%) of 473 patients were males. Household bleaches (36.6%) and oven cleaners (23%) were the most frequently encountered corrosive agents. During endoscopy, lesions in the esophagus were recorded in 379 children. Eighty-one of the cases had gastric lesions. During the follow-up, esophageal stricture, esophageal perforation, and gastric outlet obstruction (GOO) developed in 11 cases, 1 case, and 2 cases, respectively. Caustic ingestion of alkali substances such as oven cleaner seem to cause more severe injuries. Early admission to the hospital with clinical and endoscopic evaluation and early surgery when required may reduce morbidity and mortality.

Accidents, Home↗
PubMed2005

Helicobacter pylori stool antigen test.

OBJECTIVE: Helicobacter pylori ( H.pylori ) infection is usually acquired in early childhood. Invasive techniques used for diagnosis of H.pylori infection require endoscopic examination which is expensive and inconvenient and may cause complications. The aim of this study was to evaluate the performance of a new noninvasive diagnostic method, stool antigen test for H.pylori in untreated children with recurrent abdominal pain. METHODS: Eighty children (35 female, 45 male) who have undergone upper gastrointestinal endoscopy due to recurrent abdominal pain were included in the study. The H.pylori stool antigen test (HpSA) is based on a sandwich enzyme immunoassay with antigen detection. HpSA sensitivity, specificity, and positive and negative predictive values were determined with reference to the results of both histology and rapid urease test as a gold standard ( H. pylori status). RESULTS: While 49 of the 80 children (61%) tested were positive for H.pylori according to the results of both histology and rapid urease test, 28 children had negative H.pylori status. Among those 49 children, 48 were found to be positive by HpSA. Of 28 patients with negative H.pylori status, 28 were H.pylori -negative also in the stool test. The sensitivity, specificity, and positive and negative predictive values of HpSA were found to be 98%, 100%, 100%, and 96.5%, respectively. CONCLUSION: These findings have demonstrated that HpSA as a relatively simple, inexpensive and time saving noninvasive test is a reliable method for detection of H.pylori infections in children.

Abdominal Pain↗
PubMed2005

Nutritional status of patients hospitalized in pediatric clinic.

BACKGROUND/AIMS: The aim of this study was to evaluate the nutritional status of children at the moment of their hospitalization and to investigate whether there is a relation between the diagnosis and nutritional status. METHODS: Patients hospitalized in the Children's Clinic of Cerrahpasa Medical Faculty (excluding emergency, newborn intensive care and newborn special care units) between December 2003 and August 2004 were included in the study. All patients' height, weight, weight for height head circumference, arm circumference, triceps skin-fold thickness, and Z results of the height and weight were measured and, in accordance with the anthropometric measurements at the moment of hospitalization, each patient's nutritional status was evaluated. The average of the values was compared to diagnosis. RESULTS: 223 (42.2%) of a total of 528 patients were female. Patients' ages varied from one month to 23 years (5.8+/-5.3). The evaluated average height and weight Z scores of the patients were -0.6+/-1.9 and -0.7+/-1.5. Evaluation of height for age showed that in 27% of cases there was chronic malnutrition. Evaluation of weight for age and weight for height showed that in 52.4% and 40.9% of the cases, respectively, there was acute malnutrition. In 45.7% of the cases the body mass index was below -2 standard deviations. The evaluation of patients' diagnoses revealed 83 cases (15.7%) diagnosed as acute or chronic respiratory system disease. Malnutrition was most common among patients suffering from diseases from the following groups: chronic kidney insufficiency, genetic diseases, immune insufficiency and cystic fibrosis. CONCLUSION: Malnutrition among hospitalized children and especially those with chronic diseases is worth attention. Evaluation of the nutritional status and nutritional support are elements of the diagnostic and treatment process. In particular, closer observation and nutritional support are required in the cases of patients diagnosed with chronic kidney insufficiency, immune insufficiency, neurological diseases, and cystic fibrosis.

Adolescent↗
PubMed2004

Clinical spectrum of acute abdominal pain in Turkish pediatric patients: a prospective study.

BACKGROUND: The aim of the present study was to determine the prevalence, associated symptoms, and clinical outcomes of children with acute abdominal pain who had been admitted to an emergency department. METHODS: Children aged between 2 and 16 years who presented to the emergency department of Cerrahpaşa Medical School, Istanbul University between July 2001 and August 2002 with acute abdominal pain were enrolled in this study. A questionnaire was completed each patient admitted to our pediatric emergency unit for acute abdominal pain. Data collected included presenting signs and symptoms, the hospital follow up for all children who returned within 10 days, test results, and telephone follow up. RESULTS: The number of children referred to the emergency department was 7442, with 399 (5.4%) of these having acute abdominal pain. The mean age of the study population was 6.9 +/- 3.5 years, and 201 of the patients were male. The five most prevalent diagnoses were: (i) upper respiratory tract infection and/or complicated with otitis media or sinusitis (23.7%); (ii) abdominal pain with uncertain etiology (15.4%); (iii) gastroenteritis (15.4%); (iv) constipation (9.4%); and (v) urinary tract infection (8%). The most common associated symptoms were decreased appetite, fever and emesis. Because of follow-up deficiency the progress of 28 patients was not obtained. Eighty-two children were referred to the department of pediatric surgery, but only 17 of 82 (20.7%) required surgical intervention (15 of these 17 for appendicitis). Eleven patients returned within 10 days for re-evaluation, but the initial diagnosis was not changed. The complaints of 57 patients with uncertain etiology were resolved within 2 days. CONCLUSIONS: An acute complaint of abdominal pain was usually attributed to a self-limited disease. However, the percentage of surgical etiology is not negligible.

Abdomen, Acute↗
PubMed2003

The role of nitric oxide in pediatric patients with portal hypertension.

The hyperdynamic circulation of cirrhosis and portal hypertension has been postulated to be due to the vasodilatory effects of nitric oxide. However, there have been conflicting results in adults and no studies in children. We aimed to measure the nitric oxide level in serum of pediatric patients with portal hypertension with and without cirrhosis, in order to assess its role in the development of hemodynamic changes. We measured nitric oxide levels in 41 pediatric patients (21 patients with intrahepatic portal hypertension and 20 with extrahepatic portal hypertension). The mean age of the study population was 11.2 +/- 4.6 years; 53 per cent were female. Twenty healthy children were included as a control group. Nitric oxide levels were measured by Boehringer-Mannheim colorimetric assay and the statistical significance was calculated by Kruskal-Wallis one-way ANOVA. Significantly higher nitric oxide levels were found in patients independent of the type of portal hypertension compared with the control group (29.4 +/- 6 in patients with intrahepatic portal hypertension, 29.5 +/- 5.8 in patients with extrahepatic portal hypertension, and 23.6 +/- 6.5 in the control group; p < 0.007). These data showed a difference between the groups and suggest that nitric oxide, predominantly independent of cirrhosis, plays a primary role in the pathogenesis of portal hypertension.

Adolescent↗
PubMed2002

The role of surgery in the treatment of instussusception in celiac disease.

Small bowel intussusceptions comprise fewer than 10% of all pediatric patients with intussusceptions and most of them are secondary to another pathology. In this report, we discuss the role of surgery in the treatment of intussusception in celiac disease. A 13-month-old girl was admitted with a three day history of progressive abdominal distention and vomiting of bile. There were air-fluid levels on supine abdominal X-ray and ultrasonographic examination demonstrated an intussusception. At surgery, two separate small bowel intussusceptions were encountered. The postoperative course was uneventful. Due to a history of frequent diarrhea and mild abdominal distention developing after the age of seven months, further studies for celiac disease were initiated. Antigliadin and antiendomysium antibodies were found to be strongly positive. Celiac disease was also confirmed by endoscopic small bowel biopsy. Children who present with chronic or transient intestinal obstruction should also be evaluated for underlying celiac disease. Nevertheless, the surgical decision should be based upon clinical observation in this group of patients.

Journal Article↗
PubMedDate not supplied

Management of portal hypertension in children: a retrospective study with long-term follow-up.

OBJECTIVES: Data regarding the management of the portal hypertensive haemorrhage in the paediatric patients have yielded conflicting results. The purpose of this study was to evaluate the efficacy of beta-blocker (propranolol) alone, sclerotherapy alone and beta-blocker + sclerotherapy combination in the management of portal hypertension in the paediatric population. METHODS: Medical information was retrieved from the records of 62 children with portal hypertension who were under treatment during at least two years of follow-up period. Data collected included diagnosis, type of portal hypertension, age at initiation of therapy, bleeding episodes before and during therapy. RESULTS: Sixteen of 62 patients were diagnosed as extrahepatic portal hypertension, 46 as intrahepatic portal hypertension. The mean age of study population was 7.6 +/- 4.2 years, 45 percent being females. The mean duration of follow-up under therapy was 5.2 +/- 2.5 years. Among the patients with intrahepatic portal hypertension, 29 received propranolol + sclerotherapy, 12 received only propranolol and 5 received only sclerotherapy. There was no significant decrease in bleeding episodes during propranolol or sclerotherapy. However patients under propranolol + sclerotherapy, showed significant decrease in bleeding episodes during therapy (23/29 before therapy, 15/29 during therapy, p < 0.05). Rebleeding index in patients with IHPH was significantly long in the group treated by propranolol + sclerotherapy (p = 0.0001) compared with before therapy. Because the numbers of patients in the groups are small, Kaplan Meier estimation suggest that propranol treatment is more effective. But there isn't significant difference when the results were compared with those of before therapy, except in the combined treatment group. CONCLUSION: The monotherapy is not sufficient for longterm follow-up of portal hypertensive patients. The combination therapy with propranolol + sclerotherapy appears more encouraging in the prevention of portal hypertensive haemorrhage, but this needs to be assessed in randomized trials.

Adolescent↗