Journal/Magazine Articles
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This collection contains original research articles, review articles and case reports published in local and international peer reviewed journals by the staff members of the Faculty of Medicine
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Item Hemoglobin A1c values in CKDu endemic and non endemic regions of Sri Lanka(Elsevier Science Publishers, 2017) Wijerathne, B.; Meier, R.; Salgado, S.; Agampodi, S.Item Course pattern of the muscular branch of the median nerve in Sri Lankans hand [[Curso del patrón del ramo muscular del nervio mediano de la mano en Sri Lankenses](Soc. Chilena Anatomia, 2009) Senanayake, K. J.; Salgado, S.; Fernando, R.Transligamentous variant of the recurrent motor branch is having a higher risk of getting damage during both endoscopic and open carpal tunnel releases. The incidence of the transligamentous variant is about 7% to 80% world wide. This wide variation of the incidence could be due to the failure of identification of the distal edge of the flexor retinaculum from the obliquely oriented fascia that runs from the distal edge. We used two criteria to identify the distal edge; the abrupt change in the thickness of the flexor retinaculum and its colour change in cross section. The incidence of transligamentous variant is rare and the reported high incidence could be due to an error in identification of the distal edge of the flexor retinaculum as shown by Kosin (1998).Item Does the position of external branch of superior laryngeal nerve change with the height of the patients and the length of the larynx(Jaypee Publisher, 2012) Senanayake, K. J.; Fernando, R.; Salgado, S.; Jayanthi, M.When the external branch of superior laryngeal nerve (EBSLN) crosses the superior thyroid artery closer to thyroid upper pole, the EBSLN has a higher risk of getting damaged. Its anatomical position in relation to thyroid upper pole may vary with changing the height of patient and the length of larynx. We intended to test this hypothesis and predict the risk. Thirty cadavers of both sexes are dissected (29-87 years, mean 69). One cadaver excluded due to a goiter and five nerves were damaged during dissection. Therefore, 53 nerves were studied. The distance from upper pole of thyroid to the point where the nerve crosses the superior thyroid artery (TS) was measured. Cadaver length (CL), cricothyroid length (CT) and the cricohyoid length (CH) measured to the closest millimeter. Correlation of TS with CL, CT and CH was measured. The mean distance from the upper pole of the thyroid to the point where EBSLN crosses superior thyroid artery was 6.24 mm (SD 5.94). On right side, the mean distance was 4.03 mm (SD 5.34) and, on the left, 8.37 mm (SD 5.7 mm). The difference between two means was significant at 0.05 (t = 2.82, p = 0.007). There was a strong correlation between distance from the upper pole of the thyroid to the point where the nerve crosses the superior thyroid artery with CL (r = 0.98). There was moderate correlation with the CT and CH lengths (r = 0.55, 0.58 respectively). The position of EBSLN in relation to thyroid upper pole is strongly correlated with the height of the patient. The EBSLN crosses superior thyroid artery more closely to thyroid upper pole in right side.Item Surgical anatomy of the veins of the lower limb - a cadaveric study(College of Surgeons of Sri Lanka, 2009) Salgado, S.; Abeysuriya, V.; Pathirana, A.INTRODUCTION: With the advent of new surgical techniques, an adequate knowledge of precise anatomy of the venous system of the lower limb is important for safe surgery. The aim of this study is to provide some basic information for those who are interested in phlebology. MATERIALS AND METHODS: The anatomy of the superficial and deep veins of both lower limbs was studied in 20 human cadavers (age 42-72 years) of both sexes (12 males: 08 females). Great saphenous vein (GSV) and small saphenous vein (SSV) were traced from medial and lateral malleoli to the sapheno-femoral junction (SFJ) and saphenopopliteal junction (SPJ) respectively. The number of deep perforators was counted and measurements were taken from a fixed anatomical land mark. RESULTS: In both lower limbs of 17 cadavers (85%), the course of GSV was similar to the course described in the commonly used text books. Large tributary with a diameter similar to GSV at the SFJ was seen in 3 cadavers (15%). The point of entry of SSV into the popliteal vein varied greatly. In majority of cadavers the opening was at the level of the popliteal skin crease and in others it was either above or below this. Large deep perforators were found in the calf and thigh with irregularly distributed small perforators. CONCLUSION: A majority of individuals have the lower limb superficial venous pattern described in standard text books. However, a significant minority had variations, which could have important implications on the presentation and treatment of varicoseItem Hepaticocystic duct and a rare extra-hepatic cruciate arterial anastomosis: a case report(BioMed Central, 2008) Abeysuriya, V.; Salgado, S.; Deen, K.I.; Kumarage, S.K.INTRODUCTION: The variations in the morphological characteristics of the extra-hepatic biliary system are interesting. CASE PRESENTATION: During the dissection of cadavers to study the morphological characteristics of the extra-hepatic biliary system, a 46-year-old male cadaver was found to have drainage of the common hepatic duct drains directly into the gall bladder neck. The right and left hepatic ducts were not seen extra-hepatically. Further drainage of the bile away from the gallbladder and into the duodenum was provided by the cystic duct. Formation of the common bile duct by the union of the common hepatic duct and cystic duct was absent. Further more the right hepatic artery was found to be communicating with the left hepatic artery by a "bridging artery" after giving rise to the cystic artery. An accessory hepatic artery originated from the "bridging artery" forming a "cruciate" hepatic arterial anastomosis. CONCLUSION: Combination of a Hepaticocystic duct and an aberrant variation in the extra-hepatic arterial system is extremely rare.Item A Rare variant of the superficial ulnar artery, and its clinical implications: a case report(BioMed Central, 2007) Senanayake, K. J.; Salgado, S.; Rathnayake, M. J.; Fernando, R.; Somarathne, K.The superficial ulnar artery is a rare variation of the upper limb arterial system that arises from the brachial or axillary artery and runs superficial to the muscles arising from the medial epicondyle 123. The incidence is about 0.7 to 7% 145. In our routine dissections we found a superficial ulnar artery, which crossed the cubital fossa superficial to the bicipital aponeurosis making it highly vulnerable to intra-arterial injection. This is a rare variation that every medical and nursing staff member should know about.