Urethral Reconstructive Surgery - part 10 potx

... these methods used scrotal or peri- neal skin for reconstructing the urethra. Bengt-Johanson’s great achievement was the development of a reconstructi- ve -surgery urethral treatment that is suitable ... with a two- stage surgical procedure. Two-stage mesh-graft urethroplasty meets these require- ments for treating complex urethral strictures. 25.3 Pathophysiology Extended and complex...

Ngày tải lên: 12/08/2014, 05:21

... preferred kinds of grafts for urethral reconstruction are used: full-thickness skin, split-thick- ness skin, bladder epithelium, and the buccal mucosa. To harvest full- or split-thickness skin grafts, ... by host col- lagen and elastin when the biodegradable fill-in material disappeared. These studies were primarily short-term in nature with limited follow-up and demonstrated re-epi- th...

Ngày tải lên: 12/08/2014, 05:21

... myelodysplastic children are in this catego- ry [6]. Reconstructive surgery to obtain a stress-compe- tent urethra is complicated. Any procedure that increases urethral resistance may also elevate ... abnormal upper tracts had a low-compliance blad- der. In follow-up of those children treated by urethral dilation, Bloom and co-workers found upper tract chan- ges resolved but there wa...

Ngày tải lên: 12/08/2014, 05:21

... – 108 14.2 Acute Management of Posterior Urethral Trauma – 108 14.3 Delayed Repair – 109 14.3.1 Indications – 109 14.3.2 Counterindications – 109 14.3.3 Instruments and Suture Material – 110 14.4 ... adult and pediatric. WB Saun- ders, Philadelphia, pp 101 108 27. Zinman L (1996) Muscle-assisted full-thickness skin graft urethro- plasty. In McAninch J (ed) Trauma and reconstru...

Ngày tải lên: 12/08/2014, 05:21

... one-stage tube flap proximal urethral interposition for post-traumatic 6- to 8-cm urethral gaps. One of these was restrictured and underwent a multistage marsupialization procedure wit- hout ... a well-perfused distal margin. A 6- to 8-cm by 2-cm transverse island is outlined around the edge of the flap ( ⊡ Fig. 3). A 3-cm-wide strip of skin just proximal to the island is de-e...

Ngày tải lên: 12/08/2014, 05:21

... The skin is closed with 6-0 or 5-0 polyglactin 91 0- interrupted sutures. 24.5 Dressing Technique It is important that the dressing ensures that the reconstruc- ted urethral plate or neourethra ... glans wing and suture it there. The author prefers polyglactin 91 0- suture material, which he uses in the sizes 6-0 , 7-0 , or 8-0 depending on the age of the patient. A penetrati...

Ngày tải lên: 12/08/2014, 05:21

... After presurgical ortho- dontics, she underwent a one-piece impaction of 4-mm pos- terior with a 6-mm mandibular setback (Figure 52.29). Two- and-one-half years after surgery, her occlusion and ... impaction with a differen- tial movement (1 0- mm posterior, 4-mm anterior impaction) with a 5-mm BSSO setback (Figure 52.28). One-and-one-half years after surgery, there has been no change in hi...

Ngày tải lên: 11/08/2014, 13:20

... to be in- creased at 106 % and 103 % of normal, respectively. The zy- gomatic arch lengths were substantially shortened at only 87% of age-matched control values. 12 These findings con- firmed ... for early reconstructive surgery is to im- prove facial esthetics and provide the young child with a rea- sonably symmetric face through childhood, even though a sec- ond orthognathic surgery...

Ngày tải lên: 11/08/2014, 13:20

... now achieve 85% 1-year and 65% 2-year survival, which parallels that for hemodialysis in end-stage renal disease. There are other similarities between these end-stage populations. Chronic ... laboratory programs in Houston and Oxford (Fig. 4a, b). The 61-year-old English patient had idiopathic di- lated cardiomyopathy with longstanding biven- tricular failure. He was breathless at rest with p...

Ngày tải lên: 11/08/2014, 17:20