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Biomedical subjects

S J Southern

Publications and source records attributed to S J Southern.

At least 19 recordsLinked to original sources
PubMed2001

Video microsurgery: early experience with an alternative operating magnification system.

Since Nylen first used an operating microscope in 1921, its basic design has remained fundamentally unchanged. Microsurgical procedures are still performed while viewing the subject through binocular eyepieces. This article examines the potential to perform microsurgery using video technology, operating with a television monitor. The development of the videomicroscope is discussed together with its early trials. The results show the potential to perform simple microsurgical procedures while viewing the procedure in a two-dimensional format. The advantages and disadvantages of such a system are discussed, together with future implications.

Humans↗
PubMed2001

The effect of elevation on digital blood pressure.

Elevation of the hand is recommended for all patients undergoing hand surgery to decrease the swelling in the hand. This study was designed to look at the effects of elevation of the hand on digital blood pressure at different elevation positions. Digital blood pressure was recorded using a digital plethysmograph in 30 subjects for increasing levels of elevation above the heart. Friedman's test was applied to the blood-pressure changes recorded in the four positions of the upper limb and showed a significant sustained fall in mean blood pressure with increasing elevation, bringing into question the use of elevation in certain clinical situations.

Blood Pressure↗
PubMed2001

Endoscopic-assisted transaxillary removal of a midline anterior epidermoid cyst.

A 3-year-old boy presented with a 3 x 3 cm dermoid cyst in the midline of the anterior chest wall. This was successfully removed, using an endoscopic-assisted technique, through a single incision placed in the anterior axillary fold, avoiding the need for a mid-sternal incision. This technique and its application to paediatric soft-tissue surgery are discussed.

Child, Preschool↗
PubMed2000

Reconstruction of the high-risk chest wall with endoscopically assisted latissimus dorsi harvest and expander placement.

Certain patients requesting breast reconstruction may be described as having a high-risk chest wall with regard to implant loss and well-documented high complication rates. Such patients have a combination of one or more of the following: previous chest wall radiotherapy, heavy smoking, and thin, tethered chest wall flaps. If autologous transfer is not appropriate for such patients then reconstruction may be difficult. In this specific patient group the assistance of endoscopy has been used to raise the latissimus dorsi muscle to cover an expander placed within an endoscopically created chest wall pocket. The first 12 consecutive cases using this technique are discussed, showing an expander loss rate of 8% for the primary implant placement.

Breast Implantation↗