These results indicate that there is a high prevalence of misconceptions among students about at least four cardiovascular concepts associated with cardiovascular physiology and that teaching has failed to alleviate these misconceptions.
Background:Simple febrile convulsion is the most common disease of the nervous system in children. There are hypotheses that iron deficiency may affect febrile convulsion and the threshold of neuron excitation.Aims:This study was conducted with the objective of finding the effects of iron deficiency anemia on simple febrile convulsion episodes.Settings and Design:The study was conducted at AmirKabir Hospital of Arak Medical Sciences University, Arak, Iran. This is a case-control study.Materials and Methods:In this study, 382 children who were selected according to our inclusion and exclusion factors, were divided into two groups of case (febrile convulsion) and control (other factors causing fever) by their cause of hospitalization. After fever subsided, 5 ml blood sample was taken from each child and complete blood count and iron profile tests were performed.Statistical Analysis:The results were interpreted using descriptive statistics and independent t-test. Results: The prevalence of anemia in the group with febrile convulsion was significantly less than that in the control group: 22.5% of the children in the group with febrile convulsion and 34% in the control group exhibited anemia (P < 0.001). Moreover, the group with febrile convulsion had significantly higher blood indices, such as Hb, Hct, MCV, MCH, and MCHC, compared to the control group (P < 0.001).Conclusions:Iron deficiency can prevent febrile convulsion in children and probably increases the threshold of neuron excitation in fever.
Background: Congenital hypothyroidism (CH), as one of the most common congenital endocrine disorders, may be significantly associated with congenital malformations. This study investigates urogenital abnormalities in children with primary CH (PCH). Methods: This case-control study was conducted on 200 children aged three months to 1 year, referred to Amir-Kabir Hospital, Arak, Iran. One hundred children with PCH, as the case group, and 100 healthy children, as the control group, were selected using convenient sampling. For all children, demographic data checklists were filled, and physical examination, abdomen and pelvic ultrasound and other diagnostic measures (if necessary) were performed to evaluate the congenital urogenital abnormalities including anomalies of the penis and urethra, and disorders and anomalies of the scrotal contents. Results: Among 92 (100%) urogenital anomalies diagnosed, highest frequencies with 37 (40.2%), 26(28.2%) and 9 (9.7%) cases including hypospadias, Cryptorchidism, and hydrocele, respectively. The frequency of urogenital abnormalities among 32 children with PCH, with 52 cases (56.5%) was significantly higher than the frequency of abnormalities among the 21 children in the control group, with 40 cases (43.4%). (OR=2.04; 95%CI: 1.1-3.6; p=0.014). Conclusion: Our study demonstrated that PCH is significantly associated with the congenital urogenital abnormalities. However, due to the lack of evidence in this area, further studies are recommended to determine the necessity of conducting screening programs for abnormalities of the urogenital system in children with CH at birth.
Background:Idiopathic hypercalciuria (IHC) can be one of the causes of nocturnal enuresis (NE) and hydrochlorothiazide (HCT) ameliorates hypercalciuria.Objectives:The aim of this study was to assess the therapeutic efficacy of HCT in boys with primary monosymptomatic NE (PMNE).Patients and Methods:This study was a randomized double-blind placebo-controlled clinical trial. A hundred boys with PMNE and IHC were randomly assigned into two groups of experimental (treated with HCT 1 mg/kg/day) and control and all patients were followed for 4 months for the number of wet-night episodes.Results:The mean numbers of wet-night episodes in the first (intervention: 8.34 ± 8.54, control: 9.1 ± 9.3, P = 0.3), second (7.1 ± 7.3, 7.9 ± 8.1, P = 0.4), third (7.8 ± 8, 7.9 ± 8.1, P = 0.1) and fourth (4.9 ± 5.1, 5.9 ± 6, P = 0.3) months were not significantly different between the two groups. However, the decrease in the average wet-night episodes during the 4 months of treatment in the intervention group (P = 0.019) unlike the control group. Not more significant compared to control group (P = 0.191). All patients who were treated by HCT became normocalciuric. However, in 21 patients the dose was increased to 2 mg/kg/day.Conclusions:Single daily dose of HCT is a safe and effective therapeutic option in the treatment of PMNE in children with IHC.
Background: Urinary tract infections (UTIs) as a urological disorder occur in 1% -3% of females and 1% of males. This disease can induce severe complications such as pyelonephritis. Objectives: The current study aimed at evaluating the efficacy of vitamin C supplementation on UTI in children. Methods: The current clinical trial was conducted on 152 female children with UTI admitted to Amir-Kabir hospital, Arak, Iran. The cases were randomly divided, based on blocked groups, into two treatment and control groups of 76 patients. The subjects were matched in terms of age, gender, and clinical signs and symptoms. The control group received only routine treatment of UTI, while the treatment group, in addition to the routine treatment received oral vitamin C supplementation tablet, for a 14-day period. Results: Dysuria, urine incontinence, fever, urinary urgency, and dribbling occurred significantly earlier in vitamin C supplemented individuals than the control ones, while abdominal pain, dimercaptosuccinic acid (DMSA) scan, and recurrent UTI were not different between the two groups. Conclusions: Vitamin C supplementation can control the symptoms of urinary tract infections, including fever, dysuria, urinary urgency, and dribbling urine.
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