Notes

[Separation along with determination of acesulfame-K inside soya sauce by capillary electrophoresis using contactless conductivity diagnosis employing liquid-liquid extraction and also field-amplified test injection].
Cor triatriatum sinistrum (CTS) is a rare congenital cardiac anomaly characterised by an abnormal septum within the left atrium impairing blood flow to the left ventricle. We report the case of a two-month-old male infant who presented with symptoms of heart failure since the age of two weeks. He was admitted to a local hospital and was managed with antibiotics because of the impression of pneumonia. Due to persistent unresolved tachypnoea and tachycardia, he was referred to Sultan Qaboos University Hospital, Muscat, Oman, in 2019 for cardiac evaluation which confirmed a diagnosis of isolated CTS with severe stenosis and pulmonary hypertension. He underwent an urgent surgical excision of the membrane with uneventful recovery.Frontal fibrosing alopecia (FFA) is an emerging disease in Western countries. We present the cases of three sisters who were referred simultaneously to the Department of Dermatology, Hospital Universitario San Cecilio, Granada, Spain, in 2018. All patients suffered from at least partial frontotemporal hairline recession and eyebrow loss. Following trichoscopic examination, the three sisters were diagnosed with FFA. Only one of the sisters agreed to be treated; she was prescribed with topical clobetasol propionate solution and minoxidil and achieved disease control at the three-month follow-up. These patients represent a new case of familial FFA wherein three sisters as well as their mother were affected by FFA. A systematic review found a total of 24 cases of familial FFA, of which this report is the 25th. In the majority of families, only females were affected (88%) while in the remainder both males and females (8%) were affected; there was only one family where only males were affected (4%). The relationship between the affected individuals was predominately between sisters (56%) followed by mother and daughter (32%). The median age was 61 years old (range 14-88 years) and the duration of the disease ranged between 3-360 months. Family groups of FFA are an infrequently described phenomenon with unknown prevalence.Cardiac haemangiomas are rare cardiac tumours that are usually asymptomatic and detected incidentally while imaging the heart with echocardiogram. Cardiovascular magnetic resonance (CMR) is a non-ionising imaging modality that allows the diagnosis of cardiac haemangiomas prior to surgery. We report a 36-year old male patient who was referred to the Adult Cardiology Clinic at the Royal Hospital, Muscat, Oman, in 2006 with a history of a left ventricle mass detected on echocardiogram. Further assessment of the mass by CMR revealed that the mass within the left ventricle apical septum contained features that were consistent with a cardiac haemangioma. Due to the surgical risk of ventricular septal defect and the stability of the mass, the patient was managed conservatively and upon follow-up the patient's condition remained stable.Syndrome of inappropriate antidiuretic hormone (SIADH) secretion is a recognisable complication of acute porphyria. We report a nine-year-old female patient with hereditary tyrosinaemia type 1 and poor adherence to nitisinone therapy who presented with acute abdominal pain, vomiting and lethargy at Sultan Qaboos University Hospital, Muscat, Oman in 2016. She subsequently developed generalised tonic-clonic seizures attributable to severe hyponatremia that met the diagnostic criteria of SIADH. The acute porphyria screen also appeared positive. The patient responded well to fluid restriction and was discharged home without immediate neurological sequelae. Although acute porphyria is also a recognised complication of uncontrolled tyrosinaemia type 1, to the best of the authors' knowledge, no patient with tyrosinaemia type 1 has been reported to present with SIADH.Paraovarian cysts constitute about 10% of all adnexal masses in females and occur most commonly in the third and fourth decades of life. These cysts are benign and usually uncommon in adolescence. Such cysts pose a diagnostic challenge while distinguishing them from ovarian cysts clinically and during radiological investigations. We report a rare case of a 13-year-old female patient with bilateral paraovarian cysts, including a giant cyst in right mesosalpinx presenting to Sohar hospital, Oman in 2018. The definitive origin of the huge mass on the right side of abdominal cavity could not be established in the current case despite contrast enhanced computerized tomography. It was only on laparoscopic exploration that this mass was identified as a giant paraovarian cyst. Both the giant cyst and a smaller paraovarian cyst on the left side were enucleated with minimally invasive surgery while preserving the fertility of the patient. Only one other similar case of bilateral paraovarian cysts in an adolescent, including a giant cyst managed with laparoscopy, has been documented previously.On 27 April 2020, the National Health Service England issued an emergency alert for a new condition owing to the observation of an increasing number of cases of a COVID-19-related hyperinflammatory syndrome termed multisystem inflammatory syndrome in children (MIS-C). Some of the presenting symptoms appeared similar to the Kawasaki disease and toxic shock syndrome. We report the cases of six children fitting the criteria of MIS-C, admitted to Royal Hospital and Sohar Hospital, Oman, between the months of June and July in 2020. Four of these patients required admission at the paediatric intensive care unit for inotropic support while two were admitted to the paediatric ward on suspicion of appendicitis. MIS-C has been reported in a small number of individuals below the age of 21 years with a median age of 9-10 years. Five of the current patients were aged less than the median age reported in the existing literature. All of the patients showed complete recovery with supportive management, intravenous immunoglobulin and steroids, with one patient requiring interleukin-6 inhibitor (tocilizumab).
Bone failure due to avascular necrosis (AVN) is a complex pathological phenomenon. Analysis of molecular changes in the bone matrix may help to shed light on the disease process and guide management. This study aimed to explore changes in bone quality and structural damage caused by sickle cell disease (SCD)-induced AVN using Raman spectroscopy.

A total of 10 necrotic femoral heads were obtained from seven SCD patients who underwent total hip replacements. The femoral heads were cut in half and scanned using Raman spectroscopy in correlation with preoperative magnetic resonance imaging to identify necrotic and healthy control areas. Subsequently, samples were examined to determine changes in bone mineralisation, crystallinity, carbonate content, collagen cross-linking and mineral and collagen fibril orientation.

Significant changes were observed in bone mineral content, mineral-to-organic content and collagen fibril orientation in necrotic compared to control areas (
≤0.050).

The necrotic samples displayed severe structural damage and loss of mineral and organic contents. Similar Raman signals have been reported in other metabolic bone diseases such as osteoporosis, thereby potentially supporting the use of medical treatment in AVN to promote bone quality.
The necrotic samples displayed severe structural damage and loss of mineral and organic contents. Similar Raman signals have been reported in other metabolic bone diseases such as osteoporosis, thereby potentially supporting the use of medical treatment in AVN to promote bone quality.
This study aimed to assess parental knowledge, attitudes and practices regarding antibiotic use for children with upper respiratory tract infections (URTIs).

A multi-centre cross-sectional study was conducted from September 2018 to April 2019 at 15 randomly selected primary health centres in Muscat, Oman. A total of 384 parents with children under 12 years old were recruited. A validated questionnaire was utilised to determine knowledge, attitudes and practices regarding antibiotic use for children with URTIs.

All 384 parents participated in the study (response rate 100%). Almost half of the participants (n = 173; 45.1%) agreed that antibiotics were the first and best treatment for URTIs in children, with 184 parents (47.9%) reporting that influenza symptoms in children improved more rapidly after the administration of antibiotics and 203 (52.9%) believing that antibiotics prevented complications. The majority (n = 219; 57.0%) of parents never gave their children antibiotics without a prescription, and 291 (75.8%) never used leftover antibiotics. Most participants (n = 233; 60.7%) stated that it was the doctor's decision to prescribe antibiotics, 192 (50.0%) had never asked a physician to prescribe antibiotics for their child and 256 (66.7%) had never changed doctors because they did not prescribe antibiotics.

This study found that parents had confidence in their healthcare providers; however, it also showed the extent of their lack of knowledge regarding the use of antibiotics for children with URTIs. There is a need for both public- and healthcare professional-oriented educational initiatives to promote rational antibiotic usage in Oman.
This study found that parents had confidence in their healthcare providers; however, it also showed the extent of their lack of knowledge regarding the use of antibiotics for children with URTIs. There is a need for both public- and healthcare professional-oriented educational initiatives to promote rational antibiotic usage in Oman.
Brucellosis is a highly contagious zoonotic disease which can have serious health implications for affected humans and livestock. This study aimed to evaluate the clinical presentation, geographical distribution and risk factors of brucellosis cases admitted over a four-year period to two hospitals in Muscat, Oman.

This observational study was conducted from January 2015 to December 2018 at the Sultan Qaboos University Hospital and Armed Forces Hospital in Muscat. All patients with probable or definitive diagnoses of brucellosis according to the diagnostic criteria of the World Health Organization were included. Relevant data were gathered from the patients' medical records, including results from standard agglutination tests, Brucella enzyme-linked immunosorbent assays, bacterial blood or tissue/aspirate cultures and Brucella polymerase chain reaction tests.

A total of 64 patients were diagnosed with brucellosis over the study period. check details The median age was 31.5 years and 73.4% were male. The majority (95.althcare practitioners to maintain a high index of suspicion for this diagnosis. Moreover, further regulatory measures are necessary to oversee the sale of raw/unpasteurised dairy products.
The aim of the current study was to compare urinary cotinine levels, nicotine dependence and physical effects related to smoking in smokers before and after laser auricular acupuncture, psychological counselling and a combination of laser treatment with counselling.

This study was carried out from February to July 2019 in India. A total of 60 smokers were randomly allocated to three interventional groups. Urinary cotinine levels, nicotine dependence and physical effects due to smoking were evaluated using NicAlert strips (Nymox Pharmaceutical Corp., Quebec, Canada) the Fagerström questionnaire and a visual analogue scale, respectively, at baseline and one month post-intervention. Pearson's chi-square, Kruskal Wallis analysis of variance and Wilcoxon sign rank tests were used for statistical analyses.

There was a significant reduction in urinary cotinine levels and nicotine dependence and significant improvement in behaviour and physical effects related to smoking in all groups post-intervention (
<0.
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