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Biomedical subjects

P C Devine

Publications and source records attributed to P C Devine.

At least 37 records · Page 2Linked to original sources
PubMed1979

Free full thickness skin graft urethroplasty: current technique.

We present details of our current techniques for skin graft urethroplasty. We believe that careful attention to the details of these operative techniques is important to their success. The changes from our previous reports include: 1) preparation of patch grafts with rounded ends, 2) preparation of tube grafts with fishmouth spatulation, 3) fixation of the stent catheter to the anterior abdominal wall, 4) leaving a stent catheter inlying for 2 weeks and replacing with a smaller catheter if a voiding cystourethrogram shows extravasation, 5) fixation of the graft during preparation by dermatome adhesive, 6) irrigation of the wound with irrigant before closure and 7) urodynamic flow study for non-invasive postoperative followup.

Humans↗
PubMed1979

Utricular configuration in hypospadias and intersex.

To evaluate the incidence and significance of an enlarged prostatic utricle in hypospadiac patients without underlying intersex 44 patients with the meatus located in the perineum, penoscrotal junction or proximal two-thirds of the penis were evaluated with cystourethroscopy immediately before the operation. There was an abnormally enlarged utricle in 57% of the perineal, 10% of the penoscrotal and none of penile hypospadiacs, for an over-all incidence of 14%. Concurrent analysis of a series of phenotypic male patients with hypospadias and intersex revealed a high incidence of enlarged utricle or the presence of a vagina masculinus. Utricular enlargement in itself does not indicate intersexuality but careful cystoscopic examination of its vault needs to be undertaken, searching for a cervix. An enlarged utricle can be a manifestation of delayed müllerian duct regression or decreased androgenic stimulation of the urogenital sinus.

Disorders of Sex Development↗
PubMed1977

Anterior urethral injuries: secondary reconstruction.

Secondary reconstruction of anterior urethral injuries should be delayed for 6 to 12 weeks after injury. Traumatic strictures of the urethra are repaired by application of full-thickness skin grafts by either incision of the stricture and patch graft or by excision of the urethra and tube graft, depending on the density of the urethral scar or defect.

Humans↗
PubMed1977

Anterior urethral injury: etiology, diagnosis, and initial management.

Urethral injuries below the urogenital diaphragm may result from external trauma or instrumentation. The most severe complication is the development of a urethral stricture. Proper care of the acute injury will diminish this possibility. In the hands of an experienced perineal surgeon repair of the externally traumatized urethra should consist of urethral debridement, mobilization, spatulation, and primary anastomosis. If an experienced surgeon is not immediately available, a suprapubic tube should be placed after draining the perineum. When major injuries occur requiring life-saving procedures and immediate care of other problems, the urine should be diverted with a suprapubic tube and urethral repair carried out later.

Amputation, Traumatic↗
PubMed1975

Vascular distal ureteral obstruction.

The diagnosis, treatment and results of 6 patients with 7 obstructed distal ureters secondary to vascular compression are presented. Three ureters were treated by transection of the offending vessels and the remaining 4 required additional ureteroneocystostomy.

Child, Preschool↗
PubMed1975

Progressive renal artery stenosis. An experimental model.

A method of inducing slow gradual constriction of a renal artery is described. A metal constrictor is partially filled with ameroid, a hydroscopic material. Over a period of weeks, the ameroid expands, causing increasing obstruction to the renal artery. Data revealed a progressive decrease in function as measured by p-aminohippurate, inulin, and creatinine clearance on the affected side with an increase in function in the contralateral side.

Animals↗
PubMed1975

Effect of shape on contraction of abdominal stoma.

We compared the contraction of round, square, and triangular abdominal stomas of isolated ileal segments. Twelve stomas of each of these three different shapes were observed in six dogs for periods ranging from 1 to 4 months. Our observations indicate that the square shaped enterocutaneous stoma is preferable to the more conventional circular one. The square shape provides the longest perimeter for a given surface area with minimum contraction, whereas the circle has the shortest perimeter and results in maximum contraction.

Animals↗