ROLE OF COLOUR DOPPLER SONOGRAPHY IN EVALUATION OF EXTRA CRANIAL CAROTID VESSELS IN PATIENTS OF STROKE

Dr.Ramesh R. Chaple; Dr. Vilas Gavhane; Dr. Satish sorte

Volume : VII, Issue : VIII, August - 2017

ROLE OF COLOUR DOPPLER SONOGRAPHY IN EVALUATION OF EXTRA CRANIAL CAROTID VESSELS IN PATIENTS OF STROKE

Dr. Ramesh R. Chaple, Dr. Vilas Gavhane, Dr. Satish Sorte

Abstract :

Introduction: Colour doppler is indispensable in imaging carotid vessel pathologies along with gray scale imaging in patients of stroke.

Aims: This study concerns with– To evaluate demographic variables of patients who are manifest stroke and correlate with carotid vessel pathologies. Evaluate the pathological variations of extra–cereal portion of carotid vasculature in patients with attributable neurological insufficiency. Assess the efficacy of color Doppler parameters in prediction of severity of stroke.

Settings and Design: A Prospective Hospital based study of 100 cases of stroke and transient ischaemic attack presented to our Department.

Methods and Material: Study Included 100 patients of all age groups having clinical symptomatology pertaining of stroke and transient ischaemic attack over the period of two years. Written informed consent was taken. All patients were examined with grey scale and Doppler ultrasound with proper technique via Philips HD11X ultrasound machine.

Results: Among 100 patients studied 60 (60%) patients were males and 40 (40%) were females. The highest number of stroke patients in our study was found to be of age group 31 to 71 years which were 76%. 71(71%) patients had carotid arterial system plaque while 29(29%) patients in our study design had no plaque. Among the patients positive for carotid arterial system plaque (N=71) hypertension (59.15%) was the most common risk factor in our study followed by diabetes mellitus (40.84). 81 patients had positive findings on CT ain findings while 19 patients were normal. Amongst 81 patients who were positive on CT ain 58 (72%) patients had significantly increased Intima Media thickness (i.e. more than 0.8mm). Amongst total of 71 patients who had positive carotid arterial system plaque 37 patients had carotid arterial stenosis less than 50% and PSV ratio of less than 2, 16 patients had stenosis in the range of 50 to 69% and PSV ratio between 2 to 4, 15 patients had more than 70%, PSV ratio more than 4.0. 3 patients had luminal occlusion of carotids.

Conclusions: Study highlights the various risk factors associated with the stroke. Careful evaluation of carotid arteries with Doppler sonography leads to the diagnosis of various morphological and hemodynamic alterations which might help patient with timely intervention. Doppler helps in not only diagnosing but also in prognosis of carotid disease in symptomatic as well as asymptomatic high risk patients for cereal ischemia.