Browsing by Author "Fernando, D.J.S."

Now showing 1 - 3 of 3

Acute pelvic inflammatory disease in a gynecological casualty setting
(Elsevier, 2000) Wagaarachchi, P.T.; Fernando, L.; Fernando, D.J.S.
No Abstract Available
The Internal jugular vein valve may have a significant role in the prevention of venous reflux: evidence from live and cadaveric human subjects
(Blackwell Scientific Publications, 2002) Silva, M.A.; Deen, K.I.; Fernando, D.J.S.; Sheriffdeen, A.H.
INTRODUCTION: The internal jugular vein valve (IJVV), which is situated just above the termination of the internal jugular vein, is the only valve between the heart and the brain. This means that it plays a role in the prevention of cephalad flow of venous blood. If the IJVV is damaged or becomes incompetent, increase in intrapleural pressure could result in raised intracranial pressure. Additionally, the jugular venous pulse (JVP) is used clinically to estimate right atrial pressure, a functional IJVV may prevent accurate estimation of the JVP. OBJECTIVES: To describe the presence and the competence of the IJVV in post-mortem and live human subjects. DESIGN - setting and methods: The anatomical appearance of the IJVV from 30 cadavers was studied. Competence was checked by measuring maximum hydrostatic pressure before reflux occurred through the valve. The function of the valve was evaluated in 25 live subjects using colour duplex scanning. RESULTS: The IJVV was present in all cadavers just before its termination (60 IJVVs from 30 subjects). The valve was bicuspid in most cases (93%). The competence of 41 IJVVs was checked of which only three (7%) were found to be incompetent. All IJVVs in live subjects were found to be competent. CONCLUSION: This study confirms that a functional IJVV is present just above the termination of the internal jugular vein. The IJVV may therefore prevent reflux of venous blood from the right atrium into the internal jugular vein.
Screening based on risk factors for gestational diabetes in an Asian population
(Informa Healthcare, 2001) Wagaarachchi, P.T.; Fernando, L.; Premachandra, P.; Fernando, D.J.S.
The results of glucose tolerance testing (OGTT) in 1004 consecutive women were examined with respect to risk factors for gestational diabetes mellitus (GDM). GDM was diagnosed in 41 of 1004 (4.08%) women. GDM was present in 7.8% of women aged over 35 years (compared to 3.1% if less than 35 years), in 8.1% women with a body mass index (BMI) >/=30 (compared to 3.6% if BMI <30) and in 5.2% of women with a family history of diabetes (compared to 3.9% in the absence of family history of diabetes). Past history of macrosomic babies (over 4 kg) was present in 12.1% of GDMs compared to 8.4% of non-diabetic pregnancies (NDP). A history of unexplained perinatal loss was present in 4.8% of GDMs compared to 2.2% of non-diabetic pregnancies (NDP). Thirteen per cent of grandmultiprous women had GDM compared to 3.9% in women with low parity. The proportion of women who had more than one risk factor was 16.7%. A combination of one or all of these risk factors predicted GDM in only 24 of 41 (58.5%) cases. Selective testing on the basis of risk factors using WHO criteria for diagnosis of GDM would miss over 40% of all cases in our population. Hence, this study supports the policy of universal screening for GDM in populations similar to ours