Head of Orthopaedic Surgery, Sultan Qaboos University Hospital, Muscat, President of the Orthopaedic Society of Oman.

Senior Consultant & Head of Orthopaedic Surgery
Sultan Qaboos University Hospital, Muscat, Oman
President of the Orthopaedic Society of Oman

June 1990 MBChB Glasgow
University, Scotland

Oct 1987 BSc(Med.Sc.) St. Andrews
University, Scotland

7 November 2001 FRCSEd (Tr & Orth)
(Intercollegiate Specialty
Board Examination)

November 1995 FRCS Ireland

October 1995 FRCS Edinburgh

1 September 2008 -:
Senior consultant and head of orthopedic surgery at Sultan Qaboos University Hospital (SQUH). I was appointed to establish the orthopedic and musculoskeletal trauma service at SQUH, which continues to expand and offer multidisciplinary and subspecialist services. It also looks after undergraduate teaching and postgraduate training of orthopedic residents. We also participate in different collaborative research projects along with other disciplines.

Clinical Interests:
1. Major lower Limb joint arthroplasty:
a. Total hip arthroplasty including.
b. Total knee arthroplasty including.
c. Revision hip & knee arthroplasty.
2. Limb Reconstruction Procedures:
a. Deformity correction and limb lengthening: using ring fixators, monolateral fixators, and internal devices for treatment of congenital and acquired deformities, bone defects and chronic bone infection.
b. Complex long bone trauma
c. Osteotomies around the hip, knee, and ankle for the management of osteoarthritis in young adults.
3. Arthroscopic Surgery of Lower Limb Joints:
a. Arthroscopic meniscus repair and ligament repair and reconstruction of the knee
b. Hip arthroscopy.
c. Ankle arthroscopy

Clinical & Scientific Research Interests:
1. Autologous stem cells use for the treatment of osteonecrosis (HM Strategic Research Grant co-PI)
2. Stem cells with 3-D printing custom implants for bone defects (HM Strategic Research Grant co-PI).
3. Distraction arthrodiatasis in the management of osteoarthritis of the hip joint in young adults and neglected septic arthritis.
4. Ring fixators’ role in the early mobilization of patients with multiple limb injuries.
5. Fractionated autologous adipose tissue role in knee OA.
6. Partial knee replacement and functional preservation in Omani patients
7. Raman spectrometry in diagnosis of osteonecrosis and bone infection – in vitro studies
8. Primary ACL Repair.
9. Meniscal Repair in Omani Patients
10. Degenerative Meniscal Root Tears

Educational Activities
1. Chairman, Research Sub-committee, OMSB Orthopaedics Programme
2. Deputy-chairman of the Accreditation Committee of the Oman Medical Specialties Board (OMSB), 2008 – 2015.
3. member of the Scientific Committee of the orthopedic residency program until 2016
a) Chairman, Orthopaedic Program Evaluation Subcommittee.
b) member, Orthopaedic Program Curriculum Subcommittee
c) member, Orthopaedic Program Examination Subcommittee
d) member, Orthopaedic Program Clinical Competency Subcommittee
4. In Charge of Undergraduate Orthopaedic & Musculoskeletal Curriculum development, SQU.

Administrative Activities
Head, Orthopaedic Division, SQUH.
Member, Departmental Recruitment & Promotion Committee, Department of Surgery, SQUH.
Member, Promotion Committee, SQUH, 2011 – 14.
Head, Orthopaedic Service, Muscat Private Hospital (MPH), 2009 – 11.
Member, Operating Theatres Users Committee, MPH, 2010 – 13.
Established the Limb Reconstruction Unit, Khoula Hospital, 2003 – 08.
Chairman, Drugs & Therapeutics Committee, Khoula Hospital, 2005 -08.
Member, Hospital Management Board, Khoula Hospital, 2005 – 08.

Other Activities:
1. Strategies in Trauma and Limb Reconstruction (Springer-Verlag Italia publication: e-journal): a member of the editorial board.
2. Associate editor of Sultan Qaboos University Medical Journal (SQUMJ)


1 July 2002 to 31 August 2008
Senior Consultant Orthopaedic and Trauma Surgeon,
Khoula Hospital, Muscat, Oman.
I was responsible for setting up the Limb Reconstruction Service, whereby I lead a multidisciplinary team that looked after deformity correction, limb lengthening, and post-traumatic limb reconstruction.

Orthopedic Training:
(15/07/1996 – 09/09/2002 enrolled in Specialist Registrar Training program in Orthopaedic & Trauma Surgery, NHS Executive North West (Mersey Deanery), England, UK: National Training No: MER/024/022).

1 year Limb Reconstruction Fellowship with Mr. S. Nayagam, Royal Liverpool University Hospital, 2002.


28-30 Nov 2012 “Early complications of unilateral and bilateral total knee arthroplasty: study of 95 consecutive cases”. Poster presentation, SICOT Congress, Dubai, UAE.

19-22 May 2010 “Immediate full weight-bearing ambulation in patients with multiple limb injuries: results in 32 patients”. 15th PanArab Orthopaedic Association Conference, Marrakech, Morocco.

19-22 May 2010 “Distraction arthrodiatasis in patients with advanced osteonecrosis of the hip secondary to sickle cell disease: minimum 5 years follow up”. 15th PanArab Orthopaedic Association Conference, Marrakech, Morocco.

10-14 Oct.2006 “Distraction arthrodiatasis of the hip joint in patients with sickle cell disease “.
4thInternational ASAMI Meeting, Kyoto, Japan.

10-14 Oct.2006 “Immediate full weight-bearing ambulation rehabilitation in patients with high energy multiple limb fractures”. Senior author. Presented by Dr. Amr El-Khouly.4th International ASAMI Meeting. Kyoto, Japan

10-14 Oct 2006 “Use of VAC system dressing in the treatment of osteomyelitis”. Poster presentation.4th International ASAMI Meeting, Kyoto, Japan

9-10 June 2006 Speaker “Sheffield Ring Fixator Users Meeting’. Marciaga, Italy.

6-8 Dec 2005 “Monolateral External Fixators in the Management of Tibial Fractures”. Senior author. Presented by Dr. Amr El-Khouly in the combined 10th GCC/11TH Pan-Arab Orthopaedic Associations, Manama. Bahrain.

17 Mar 2005 “Stable Elastic Intramedullary Nailing in Paediatric Femoral Fractures “.Senior author. Presented by Dr. Abdullah Al-Ajmi in 2nd Gulf Trauma Symposium, Manama Bahrain

29 Jan -3 Feb 2005 Speaker: Combined 2nd International Conference of Plastic & Reconstructive Surgery. Oman and 5th Conference of the GCC Association of Plastic Surgeons. Muscat, Oman Topic: “Combined approach in the treatment of open 3B lower limb fractures”

27-29 May 2004 “Treatment of tibial segmental fractures using circular external fixators”. S. Al-Maskari, N. Giotakis, J. Larkin, B. Narayan, and S. Nayagam. Oral Presentation at the 3rd International ASAMI Meeting, Istanbul, Turkey.

20 June 2002 “Closing the Loop: Audit of Soft Tissue Tumour Biopsies 1998-2002.Review of 206 biopsies”. Presented at the Local Monthly Audit Meeting, RLUBH.

Jan 2000 “Arthroscopic capsular shrinkage for the treatment of multidirectional instability of the glenohumeral joint”. Presented at the 3rd Annual Meeting of the Asian Federation of Sports Medicine, Muscat, Oman. Co-authors: C Sinopidis and SP Frostick.

Sep 1999 “Assessment of the Accuracy of Ultrasound-Guided Needle Biopsy of Soft Tissue Sarcomas “.Poster presentation at the BOA annual conference, Glasgow, UK

Sep 1999 “Bayes Theorem a useful tool for outcome prediction in Orthopaedic Surgery”. Presented at the BOA conference, Glasgow, UK.

23 June 1998 “Validation of Data from Multi-Centre Prospective Surgery” .Co-authors: Prof. SP Frostick and S .Fowler. Presented at the Surgical Trainees Conference. The Royal College of Surgeons of England, London, UK.

July 1995 “Prospective audit of ligamentous knee injury in ipsilateral femoral shaft fractures due to high energy trauma in young adults”. Supervisor: Dr. Yousef Shetta. Khoula Hospital, Muscat, Oman.

1989 “Causes of lead poisoning in infants in Oman”. This study identified traditional remedies as the main cause of lead poisoning in children in Oman. 1st Prize Winner: best dissertation on Topic Teaching, Glasgow University.


7 – 9 March 2019 “Tips & Tricks in Total Hip replacement.” Orthopedic Society of Oman Annual Congress, Muscat, Oman

11 – 13 April 2019 “Meniscal Root Avulsion Syndrome: diagnosis & management.”

“ACL Repair: preliminary results of a prospective study”

“HTO Combined with ACL Reconstruction”
Emirates Orthopaedics Society Annual Congress

13 – 15 Feb 2019 “Understanding & management of rotational deformity of femur.” 3rd International Congress, Dubai, UAE.

10 – 13 Oct 2018 “Rotational Deformity of Femur: understanding & correction”. ASAMI & Hull Deformity Symposium in 39th SICOT Orthopaedic World Congress, Montreal, Canada

8 – 10 Nov 2017 “Design and Implantation of Bioresorbable & Bio-activated 3D Printed Implants: successful collaboration between Engineers and Surgeons”. Presented at Future Health, Singapore.

12 – 14 Oct 2017 “Bioresorbable & Bio-activated 3D Printed Femur Implantation: 1st in Man”. Presented at Bone-Tec Conference, Munich, Germany.

28 Feb – 2 Mar 2015 “Hip Osteoarthritis: causes & management”.
AGSSR 7th Annual Congress, Manama, Bahrain.
20 – 21 Nov 2015 “Management of MSK Complications of Sickle Cell Disease”. Omani Haematology Society Annual Meeting: Focus on Sickle Cell Disease, Muscat, Oman.
30 Apr – 2 May 2014 ICJR – ME, Dubai, UAE
1. Member of Expert Panel on SCD Hip Arthropathy
2. “Unusual Bone & Joint preserving hip joint surgical techniques”
4-6 Oct 2012 “Management of Sickle Cell Disease Hip Arthropathy”. Alexandria International Hip Surgery Conference. Theme: Total Hip Replacement – back to basics. Alexandria, Egypt.
23-26 Jan 2012 “Management of Thromboembolic Complications in Orthopaedic Trauma”. 8th Middle East Orthopaedic Conference. Arab Health. Dubai, UAE

15 May 2011 “Osteoporosis: challenges to the orthopedic surgeon”. Osteoporosis Update Conference. Sohar, Oman.

24-26 Jan 2011 “Should external fixators have a bigger role in upper limb surgery?” 7th Middle East Orthopaedic Conference. Arab Health. Dubai, UAE.

13-15 Oct 2009 “Growth guidance for deformity correction in children”. 17th International Child Health Conference. Theme: Chronic Childhood Illness – towards better care. Muscat, Oman

18-19 Apr 2009 “Osteomyelitis- face-to-face in diabetic practice”. 1st National Diabetic Foot Management Conference. Muscat, Oman.

20-22 Jun2008 “Sheffield & Hybrid Fixators in Trauma & Deformity correction”. Northern Greece Orthopaedic Association. Annual Instructional Course, Xanthi, Greece.

12-14 Jun2008 “Can the injured knee survive without an implant? Plates & fixators”. 57th NOV (Northern Germany Orthopaedic Association) Annual Meeting, Hamburg, Germany

18 Oct 2007 “Gradual Deformity Correction” in Orthofix Symposium as part of world Congress on External Fixation, Cairo, Egypt.

15 Feb 2007 “Intra-operative complications in difficult primary total hip arthroplasty – a retrospective review of 32 cases”. Regional orthopedic Conference. Ibri, Oman.

14 Aug 2005 “Open Fractures of the Distal Femur”. Invitational Lecture Salmaniya Medical Complex, Manama, Bahrain.

19 May 2003 “Callotasis: principles &practice “. Invitational CME Lecture, Al-Nahda Hospital, Muscat, Oman.

29 May 2002 “Post-traumatic Venous Thromboembolism and its implication on patient rehabilitation”. Northwest Physiotherapist Annual Meeting. Liverpool, UK.


7 March 2019 Cadaveric Workshop on Knee Arthroplasty. OSO Pre-Congress Workshop, Muscat, Oman.

13-14 Dec 2010 Instructor & speaker at the Limb reconstruction using the Ilizarov method workshop. Qatar Health 2010, Doha, Qatar.

7-8 May 2007 Instructor “External Fixation in Trauma & Deformity Correction”. Dubai, UAE

8-10 Dec 2006 “Dubai Deformity Correction &Taylor Spatial Frame Course”. Dubai, UAE

3 Dec 2006 Instructor ”Orthofix External Fixation Course”. Cairo, Egypt As a pre-congress instructional course for the EOA Annual Congress 4-7th Dec.2006.

13-15 Sep 2006 Instructor “Limb Reconstruction Course”. Verona, Italy.

12-14 June Instructor “Post-traumatic deformity Course”. 2006 Verona, Italy.

6-7 May 2006 Instructor “Deformity Correction and Limb Lengthening using External Fixators”. Dubai, UAE.

22 Apr 2006 Instructor “External Fixation in Trauma and Deformity Correction Workshop”. Doha, Qatar.

9-10 Nov 2005 Instructor “Fixation Workshop”. Abu Dhabi, UAE

16-17 Mar 2005 Instructor & Convener: “External Fixation Course for Nurses, OT Nurses, and Physiotherapists” Muscat, Oman.

8-19 Sep 2004 Instructor “External Fixation Workshop”. Dubai, UAE.

1-22 Oct2002 Instructor “Basic Ilizarov Method Course for Surgeons, Nurses, and physiotherapists”. Liverpool Medical Institute, Liverpool, UK.

“Brucella Periprosthetic Joint Infection Involving Bilateral Knees with Negative Synovial Fluid Alpha-Defensin”. Abdullah Balkhair, Sultan Al Maskari, Shadin Ibrahim, Ibrahim Al Busaidi, Mohamed Al Amin, Hashim Ba Taher. Case Reports in Infectious Diseases. 2019; 2019: 9423946. Published online 2019 Jul 14. DOI: 10.1155/2019/9423946

“Mapping Molecular Changes Associated with Avascular Necrosis Using Raman Spectrometry”. Ahmed Al Ghaith, John Husband and Sultan Al Maskari. Journal of Medical Science and Engineering; B7 (7-8) (2017); 160-165.

“Avascular Necrosis of the Hip in Sickle Cell Disease in Oman: is it serious enough to warrant bone marrow transplant?” Letter to the Editor. Yasser Wali and Sultan al Maskari. SQUMJ. Feb 2011; 11(1):129-131.

“Segmental fractures of the tibia treated by circular external fixation”. Giotakis N, Panchani SK, Narayan B, Larkin JJ, al Maskari S, Nayagam SS. JBJS Br. 2010 May; 92(5):687-92.

“Arthroscopic capsular shrinkage for treatment of patients with multidirectional
Instability – a minimum of 2 years follow up.” Authors: SP Frostick,
C. Sinopidis, Maskari, and John C Richmond. Arthroscopy, 2003 Mar; 19(3):227-233.

Visits & Short Fellowships that Influenced my Practice:
These are fellowships & visits that were made following extensive research and study and planning about their worth and the expected outcome. As a result, they all had a significant effect on my clinical practice.
Visit the Rothman Orthopaedic Institute, Philadelphia, USA, 12 – 13 June 2015 (Host: Prof. Javad Parvizi).

Visit Gold Coast Surgicenter, Chicago, USA, 5 June 2015 (Host: Prof. Bryan Cole)

Visit Midwest Orthopaedic Centre at Rush University, Chicago, USA, 4 – 5 June 2015 (Host: Prof. Craig Della Vale)

Visit Lille University Medical Centre, Lille, France, April 2005 (Host: Prof. Henri Migaud)

Visit Paris University Hospital, Creteil, France, April 2005 (Host: Prof. Hernigeau)

1-month Fellowship Verona University Hospital Borgoroma, May 2000 (Host: Prof. Alberto Aldigheri).

Affiliations & Professional Bodies Memberships:

1. President of the Orthopaedic Society of Oman (OSO)
2. Member of Oman Medical Association (OMA)
3. Member of International Cartilage Regeneration & Joint Preservation Society (ICRS)
4. Osteoarthritis Research Society International (OARSI)
5. Tissue Engineering & Regenerative Medicine International Society (TERMIS)
5. British Orthopaedic Association (BOA)