Journal of Telemedicine and Telecare > Volume 14, Number 8 > Pp. 439-442

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RESEARCH Original articles

The effectiveness of low-cost teleconsultation for emergency head computer tomography in patients with suspected stroke

Kanitpong Phabphal ^*  and Siriporn Hirunpatch 

^* Division of Neurology, Department of Medicine; Division of Radio-diagnosis, Department of Radiology, Faculty of Medicine, Prince of Songkla Univiersity, Thailand

Correspondence: Dr Kanitpong Phabphal, Division of Neurology, Department of Medicine, Faculty of Medicine, Prince of Songkla Univiersity, Hat Yai, Songkhla 90112, Thailand (Fax: +66 7442 9385; Email: pkanitpo{at}medicine.psu.ac.th)

Teleradiology in an emergency situation can be used to support rapid neurological decision-making when specialists are remote from the hospital concerned. We have developed a low-cost system using a PDA phone as the receiving equipment. The experimental system was based on a notebook PC to send the images and a PDA phone to receive them. We used commercially available toolbar software for transmitting the information through the mobile phone network. A total of 100 images from clinically suspected strokes within the previous 24 hours were transmitted to a neurologist. The mean size of the original picture was 20.9 kByte and the images were compressed by approximately 2:1 before transmission. The mean transmission time was 48 s per image. The diagnosis from the PDA phone image was in complete agreement with the diagnosis from the original image in cases of acute ischaemic stroke, intracerebral haemorrhage, metastasis and in normal scans. However, there was agreement in only 7 of the 8 cases (88%) of subarachnoid haemorrhage. The overall transmission cost was 400 Thai baht per case. The study showed that good accuracy can be achieved with a low-cost system for teleradiology consultation in stroke.

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