Authors

Edwin Stephen

Publications 17

Research article Open access

Chronic Blunt Traumatic Thoracic Aortic Injuries: Report of three cases from Oman

Sara SH Al-Adawi, Ahmed Naiem, Ibrahim Abdelhady et al. · Sultan Qaboos University Medical Journal · 2025 · 10.18295/squmj.2021.21.01.017

Blunt thoracic aortic injuries are potentially lethal. Those who survive may form an organised haematoma in the periadventitial space resulting in a pseudoaneurysm, which may be identified incidentally decades later. While the role of thoracic endovascular aortic repair (TEVAR) in acute settings has been established, i …

Research article Open access

Managing Vascular Surgery Emergencies and Referrals During the COVID-19 Pandemic at a Tertiary Centre in Oman

Edwin Stephen, Sara SH Al-Adawi, Ibrahim Abdelhady et al. · Sultan Qaboos University Medical Journal · 2025 · 10.18295/squmj.2021.21.01.016

Objectives: This study aimed to discuss the different challenges faced while managing emergency vascular surgery cases during the COVID-19 pandemic and how these challenges were overcome. Methods: This study details 14 emergency cases that were managed during a period of one month from mid-March to mid-April at Sultan …

Research article Open access

Atherosclerotic Carotid Artery Disease

Ibrahim Al Kindi, Sara Al Adawi, Edwin Stephen et al. · Sultan Qaboos University Medical Journal · 2025 · 10.18295/squmj.4.2022.028

Objectives: Stroke is the second leading cause of death worldwide, resulting in 5.5 million deaths in 2016. Vascular interventions, including carotid endarterectomy (CEA) and carotid artery stenting, play a major role in stroke prevention, especially when performed early after onset of symptoms. This study aimed to def …

Research article Open access

The Impact of the COVID-19 Pandemic on the Pattern of Trauma Presenting to a Tertiary Care Trauma Centre in Oman

Rahma Al-Harthi, Maram Al Hinai, Maather Al Abri et al. · Sultan Qaboos University Medical Journal · 2025 · 10.18295/squmj.12.2022.065

Objectives: This study aimed to investigate the change in the pattern of the presentation of trauma cases at the Sultan Qaboos University Hospital, before the COVID-19 pandemic and during its two waves/phases. Methods: This retrospective study was carried out from January 2019 to October 2021. Data on all trauma patien …

Research article Open access

A Central Venous Catheter Line Misadventure: "Doctor why do I have a humming sound in my ear?"

Edwin Stephen, Maitha Al Asmi, Thekra Al Hadhrami et al. · Sultan Qaboos University Medical Journal · 2025 · 10.18295/squmj.1.2022.010

We report a 32-year-old female patient who was referred to a tertiary care hospital in Muscat, Oman, in 2021 with an iatrogenic arteriovenous fistula (AVF) that presented as a neck swelling which developed few weeks after an attempt of central venous catheterisation through the right internal jugular vein. The fistula …

Research article Open access

Factors Affecting the Early Maturation of Arteriovenous Fistulae Created at a Tertiary Centre in Oman

Sheikha Al Hashmi, Shouq Al Hudar, Edwin Stephen et al. · Sultan Qaboos University Medical Journal · 2025 · 10.18295/squmj.9.2023.050

Objectives: This study aimed to determine the risk factors associated with the failure of arteriovenous fistulae (AVF) maturation. Methods: This retrospective cohort study was conducted from January 2014 to December 2018 in Sultan Qaboos University Hospital, Muscat, Oman. Patients were followed-up 3 months after surger …

Research article Open access

Middle Aortic Syndrome: A Rare Cause of Hypertension

Masoud Alsaifi, Hiba Al Mahruqi, Edwin Stephen et al. · Oman Medical Journal · 2023 · 10.5001/omj.2023.88

A 21-year-old male diagnosed with familial hypofibrinogenemia and had multiple admissions for bleeding episodes. He was diagnosed with hypertension at 12 years old and was started on treatment. A computed tomography angiography (CTA) at that time showed a normal diameter of the aorta and no major vascular changes. A re …

Research article Open access

Spontaneous Near Fatal Hemorrhage into Neurofibromatosis Type 1 Lesion in the Scalp

Edwin Stephen, Rajeev Kariyattil, Alok Mittal et al. · Oman Medical Journal · 2022 · 10.5001/omj.2022.02

Neurofibromatosis type 1 (NF1) (von Recklinghausen’s disease) is an autosomal dominant disorder characterized by café-au-lait spots, pigmented hamartomas of the iris, and multiple neurofibromas. Patients can present with hemorrhage secondary to trauma or rarely with spontaneous hemorrhage, both of which can be lethal a …

Research article Open access

Congenital Vascular Malformations: A Quick Recap

Ghaitha Al Mahruqi, Edwin Stephen, Ibrahim Abdelhedy et al. · Oman Medical Journal · 2022 · 10.5001/omj.2021.46

We present a glimpse of vascular malformations seen at Sultan Qaboos University Hospital from July 2014 to December 2019. The cases are sporadic in nature. Molecular genetic studies can be conducted in patients with a family history of vascular malformations. Cultural practices relating to dress codes may lead to delay …

Research article Open access

The Doppelgänger

Ahmed Naiem, Ahmed Al-Harthy, Ibrahim Abdelhady et al. · Oman Medical Journal · 2016 · 10.5001/omj.2016.31

A 37-year-old man presented to the vascular surgery outpatient clinic at Sultan Qaboos University Hospital for a second opinion following an incidental computed tomography (CT) scan finding that was performed for a work-related promotion. He gave a history of being involved in a motor vehicle collision 18 years prior t …

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