Publications by authors named "Nasser Al-Busaidi"

10 Publications

  • Page 1 of 1

Pulmonary Vein Occlusion and Lung Infarction after Radiofrequency Ablation of Atrial Fibrillation.

Case Rep Pulmonol 2020 27;2020:2357846. Epub 2020 Jul 27.

Department of Chest Medicine, The Royal Hospital, Muscat, Oman.

Background: Pulmonary vein (PV) radiofrequency ablation (RFA) is an effective technique for a selected group of patients with atrial fibrillation (AF) refractory to antiarrhythmic drugs (Alfudhili et al., 2017). However, pulmonary vein occlusion is a potentially rare, sometimes severe, complication which may present clinically as nonspecific respiratory symptoms, signifying pulmonary vein stenosis, that are often underrecognized or misdiagnosed, leading to progression of the low-grade stenosis to complete occlusion if not treated with timely intervention (Alfudhili et al., 2017). . We report the first case of haemoptysis, three months postradiofrequency ablation (i.e., late complication) secondary to pulmonary vein occlusion that was diagnosed by computed tomography angiogram (CTA), which showed occlusion of 2 out of 4 native pulmonary veins.

Conclusion: The cause of haemoptysis in this patient was pulmonary vein occlusion, secondary to radiofrequency ablation, as demonstrated in the CTA.
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http://dx.doi.org/10.1155/2020/2357846DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7403928PMC
July 2020

Pulmonary Embolism Presenting as Abdominal Pain and Asystole.

Cureus 2020 Jul 10;12(7):e9123. Epub 2020 Jul 10.

Chest Medicine, Royal Hospital, Muscat, OMN.

Pulmonary embolism (PE) is a life-threatening condition that mandates prompt identification and management. The protean and atypical symptomatology of PE can mislead the physician and pose a diagnostic dilemma. Abdominal pain is one such rare symptom that is not commonly encountered in the clinical setting. With the limited availability of literature describing abdominal pain as a symptom of this acute disease, it is pivotal that healthcare workers are aware of this presentation. Herewith, we report a 36-year-old man with no co-morbidities who presented with abdominal pain and subsequent cardiac arrest. He was diagnosed and managed in the emergency department and made a complete recovery.
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http://dx.doi.org/10.7759/cureus.9123DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7417130PMC
July 2020

Pulmonary Hyalinising Granuloma: A report of two cases.

Sultan Qaboos Univ Med J 2019 May 8;19(2):e157-e160. Epub 2019 Sep 8.

Department of Radiology, Royal Hospital, Muscat, Oman.

Pulmonary hyalinising granuloma (PHG) is a rare fibrosclerosing inflammatory lung condition of unknown aetiology. It is characterised by solitary or multiple pulmonary nodules that are usually found incidentally while imaging the chest for other reasons. We report two cases of histologically proven PHG diagnosed at the Royal Hospital, Muscat, Oman. The first case was a 71-year-old male patient who presented in 2010 with a dry cough, weight loss and bilateral pulmonary nodules. The second case was a 58-year-old male patient who presented in 2012 and was found to have incidental bilateral pulmonary nodules on chest X-ray. Both patients were started on prednisolone and on follow-up the PHG nodules remained stable. Although there is no definitive treatment, PHG generally has an excellent prognosis.
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http://dx.doi.org/10.18295/squmj.2019.19.02.013DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6736260PMC
May 2019

Sarcoidosis in the Middle East.

Ann Thorac Med 2019 Apr-Jun;14(2):106-115

College of Medicine and Health Science, Sultan Qaboos University, Muscat, Oman.

Sarcoidosis, a systemic granulomatous disease of unknown cause, has been described worldwide and in all populations with notable differences in clinical characteristics, organ involvement, disease severity, and prognosis among different ethnic and racial groups. While the exact prevalence of sarcoidosis in the Middle East is unknown, studies from various countries in the region have reported the clinical characteristics of affected patients, along with a few anecdotal reports. A search of the MEDLINE and Google Scholar databases was conducted for relevant English-language articles using the terms "sarcoidosis" and "Middle East" or "sarcoidosis" and "Arabs." Subsequently, the names of individual countries were used as search terms, replacing "Middle East." Overall, the clinical picture of patients with sarcoidosis in the Middle East is similar to that reported elsewhere; for example, the disease was more frequent among females and respiratory complaints were the predominant symptoms. Within the region, most patients from Oman were older and female, with arthralgia, hypercalcemia, and eye involvement being more common. Constitutional symptoms were frequent, especially among patients from Iran. Cough was more common among patients from Kuwait and Iran, while dyspnea was the predominant symptom for Saudi patients. Erythema nodosum was more common in the Turkish population. Clustering was seen in patients with Stage I and II of the disease in all countries except Oman. Apart from those in Iran, the prognosis of most patients from the Middle East was excellent.
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http://dx.doi.org/10.4103/atm.ATM_227_18DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6467024PMC
April 2019

Clinical features of Sarcoidosis in Oman: A report from the Middle East region.

Sarcoidosis Vasc Diffuse Lung Dis 2016 Oct 7;33(3):201-208. Epub 2016 Oct 7.

Sultan Qaboos University.

Background: Though clinical features of sarcoidosis follow a similar pattern, some heterogeneity is seen in different ethnic and racial groups.

Objectives: To describe for the first time the clinical characteristics of sarcoidosis patients in the Sultanate of Oman.

Methods: The data on all cases of sarcoidosis followed up in the two tertiary hospitals in Oman were retrieved retrospectively.

Results: Of the 92 patients, for representing the ethnic data only Omani patients (n=83) were included. The mean age was 52.90±12.35 years. Majority were females (72.3%, n=60). Cough (n=44, 53.0%), dyspnea (n=39, 47%), arthralgia (n=26, 31.3%) and fatigue (30.1%) were the major symptoms. Arthralgia was reported by 41.7% of the females and 4.3% of the males (p= 0.001). Uveitis was present in 16 (19.3%), erythema nodosum in 8 (9.6%) and hypercalcemia in 13 (15.7%). The radiological stage at presentation was stage 0, 18.7%; I, 28%; II, 17.3%; III, 24% and IV, 12%. Majority (61.4%) of the patients had tissue diagnosis; intra-thoracic site 70.6%. Pulmonary function showed abnormal diffusion in 75%. Sixty eight received treatment, 81.9% took prednisolone. Based on radiograph good outcome (Resolving) was noted in 20.9%, intermediate (Stable) in 73.1% and poor (Progressive) in 6%. Lung function wise, resolving, stable and progressive disease was seen in 31.4%, 40.0% and 28.6% respectively.

Conclusion: The clinical picture of the patients with sarcoidosis from Oman was similar to that reported from the rest of the world. Region wise, our patients were older and arthralgia and hypercalcemia were more common. The management of sarcoidosis needs a more organized approach in the country with clear guidelines on monitoring and treatment.
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October 2016

The Burden of Asthma in Oman.

Sultan Qaboos Univ Med J 2015 May 28;15(2):e184-90. Epub 2015 May 28.

Department of Medicine, Respiratory Unit and, Royal Hospital, Muscat, Oman.

Asthma is a common lung disease worldwide, although its prevalence varies from country to country. Oman is ranked in the intermediate range based on results from the International Study of Asthma and Allergies in Childhood. A 2009 study revealed that the majority of asthmatic patients in Oman reported both daytime and nocturnal symptoms, while 30% of adults and 52% of children reported absences from work or school due to their symptoms. Despite these findings, there is little data available on the economic burden of asthma in Oman. The only accessible information is from a 2013 study which concluded that Oman's highest asthma-related costs were attributable to inpatient (55%) and emergency room (25%) visits, while asthma medications contributed to less than 1% of the financial toll. These results indicate a low level of asthma control in Oman, placing a large economic burden on healthcare providers. Therefore, educating asthmatic patients and their families should be prioritised in order to improve the management and related costs of this disease within Oman.
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4450780PMC
May 2015

The asthma cost in oman.

Sultan Qaboos Univ Med J 2013 May 9;13(2):218-23. Epub 2013 May 9.

Departments of Chest Medicine, Royal Hospital, Muscat, Oman.

Objectives: This study evaluates the direct costs of treating asthma in Oman.

Methods: Asthma prevalence and unit cost estimates were based on results from a panel using the Delphi technique, and were applied to the total Omani population aged 5 and older to obtain the number of people diagnosed with asthma. The estimates from the Delphi exercise were multiplied by the percentage of patients using government facilities to estimate the number of asthma patients managed in Oman. Treatment costs were also calculated using data from the Delphi exercise and the Asthma Insights and Reality for the Gulf and Near East study (reported in Omani riyals [OMR] and US dollars [USD]).

Results: The prevalence of asthma was estimated to be 7.3% of adults (n = 96,470) and 12.7% of children (n = 58,344). Of these, 95% of both adults and children were estimated to be using government healthcare facilities. Inpatient visits accounted for the largest proportion of total direct costs (55%), followed by emergency room and outpatient visits (25% and 20%, respectively) and medications (<0.2%). The annual cost of treatment excluding medications, was OMR 34,273,696 (USD 89,111,609) for adults and OMR 27,014,735 (USD 70,238,311) for children. Including medications, the total annual direct cost of asthma treatment was estimated to be over OMR 61,500,294 (USD 159,900,761).

Conclusion: Given the high medical expenditures associated with facility visits relative to the lower medication costs, the focus of Oman's asthma cost savings should be on improving asthma control rather than reducing medication costs.
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3706110PMC
http://dx.doi.org/10.12816/0003226DOI Listing
May 2013

Tracheobronchopathia Osteochondroplastica: Case report and literature review.

Sultan Qaboos Univ Med J 2012 Feb 7;12(1):109-12. Epub 2012 Feb 7.

Department of Medicine Royal Hospital, Muscat, Oman.

Tracheobronchopathia osteochondroplastica (TPO) is a rare, benign condition involving the trachea. TPO is characterised by osteocartilaginous nodules developing within the submuscosa of the trachea, sparing the posterior wall. We present the first documented case of TPO in Oman in a 25 year-old Omani male who presented with a recurrent, productive cough from which he had suffered throughout the previous two years. Diagnosis was made by characteristic computed tomography scan, bronchoscopic findings, and a histopathological examination.
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3286705PMC
http://dx.doi.org/10.12816/0003096DOI Listing
February 2012

Asthma Control in Oman: National Results within the Asthma Insights and Reality in the Gulf and the Near East (AIRGNE) Study.

Sultan Qaboos Univ Med J 2011 Feb 12;11(1):45-51. Epub 2011 Feb 12.

Department of Medicine, Royal Hospital, Muscat, Oman;

Objectives: The Asthma Insights and Reality (AIR) study in the Gulf and Near East (one of a worldwide series of surveys conducted in adults and children to assess asthma control) was conducted in Oman to assess how closely asthma control meets international guidelines recommendations.

Methods: From January 2007 to March 2008, asthmatics receiving treatment or currently suffering from asthma symptoms were interviewed among nationals randomly surveyed from the most populated urban areas in Oman (Muscat, Sohar and Nizwa). The standard AIR questionnaire was used to assess symptom severity, health care utilisation, limitation of activity and medication use.

Results: From 201 asthmatic participants, 21% were under 16 years and 43% were female. Tobacco use was low in our asthmatics. Disparity in asthma perception was wide in Oman; while 57% of asthmatics perceived their asthma as well or completely controlled, actually 54% had poorly or not well controlled asthma. All recommendations for asthma control by the Global Initiative for Asthma were largely unmet, especially in child asthmatics, with 44% reporting night awakenings due to asthma during the previous 4 weeks and 47% exercise-induced asthma in the previous 12 months. Overall, 32.6% of children and 34.8% of adults reported absence due to asthma from school/work during the previous year. Use of preventive inhaled corticosteroids was only 5.0%, one of the lowest even within the AIR Gulf and Near East study, producing an unacceptable ratio ICS/SABA (inhaled corticosteroid/short acting beta-agonist) of 0.054 in Omani asthmatics.

Conclusion: Asthma control in Oman falls far below the goals of current international guidelines therefore corrective strategies are needed.
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3074685PMC
February 2011

Level control of asthma patients in chest specialist clinics.

Oman Med J 2009 Jul;24(3):195-8

Department of Chest Medicine, Royal Hospital, Muscat, Sultanate of Oman.

Objectives: This survey aims to assess the current levels of asthma control as reported by patients attending chest specialist clinic by using the Asthma Control Test (ACT) questionnaire.

Methods: Current levels of asthma control were assessed using the ACT questionnaire, and a brief instrument developed to assess asthma control in a clinical setting. 141 (100 females) patients aged 13 years and above were recruited from the chest clinic of Royal hospital, a tertiary hospital in the Sultanate of Oman. The ACT questionnaire was administered only from the second visit.

Results: The result showed that 61% of patients scored between "20 and 25" (well controlled), 17.7% of the patients scored between "15 and 19" (not well controlled), and the rest 21.3% scored between "5 and 14" (poorly controlled). More than 50% of the patients reported that their asthma had an impact in work, school or home Nocturnal symptoms were reported by 66% and the use of rescue medications by 70%. Patient perception of asthma control did not match their symptom severity as more than 65% considered their asthma controlled despite the fact that their symptoms limited their daily activities and disturbed their sleep.

Conclusion: The current level of asthma control among the study patients falls far short of the goals for long-term asthma management and patients' perception of asthma control is different from their actual asthma control.
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http://dx.doi.org/10.5001/omj.2009.38DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3251178PMC
July 2009