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At least 343 records · Page 19Linked to original sources

Genu valgum deformity in Hurler syndrome after hematopoietic stem cell transplantation: correction by surgical intervention.

Hematopoietic stem cell transplantation has increased the survival of patients with Hurler syndrome. Genu valgum occurs frequently in untransplanted patients and has been noted in 52% of our patients after stable engraftment. No deformities spontaneously corrected. We describe the orthopaedic management of genu valgum in Hurler syndrome. Medial epiphyseal stapling predictably affects angular deformity in these patients. Recurrence of deformities either after staple dislodgement or surgical removal can occur, and repeated stapling may be required. Surgical epiphyseal stapling has a role in the management of genu valgum in successfully engrafted Hurler patients. We discuss the relationship of this skeletal deformity to other skeletal deformities and alternative therapies for genu valgum.

Adolescent↗

Bursting strength evaluation. Comparison of 0-Prolene sutures and endoscopic staples in an experimental prosthetic patch repair of abdominal wall defect.

Recently, titanium staples have been designed to stabilize a small prosthetic mesh used for laparoscopic herniorrhaphy. Unlike the giant prosthesis employed by Stoppa, the small mesh must be fixed to the surrounding musculo-aponeurotic defect. The strength of these titanium staples has never been evaluated and was compared to 0-Prolene sutures. In an ex vivo study, we evaluated the maximal stress (bursting strength [BS]) a repair performed with 0-Prolene sutures or staples can bear. Bilateral abdominal-wall defects were created in 16 piglets. A Prolene mesh was fixed preperitoneally on one side of the abdomen with 0-Prolene sutures and on the other side with the Endopath EMS stapler or the Endo Hernia stapler. The mean BS of meshes attached with 0-Prolene was 1,461.7 mmHg. The mean BS of meshes fixed with Endopath EMS staples was 885.5 mmHg and that of meshes fixed with Endo Hernia staples was 665.2 mmHg. A repair with 0-Prolene sutures is stronger (P < 0.05) than one with staples (Endopath EMS or Endo Hernia). Also, repair with an Endopath EMS stapler has a significantly higher BS (P < 0.05) than one with the Endo Hernia stapler. In the second part of the study, evaluation of the longitudinal tensile strength also showed that 0-Prolene sutures are stronger (P < 0.05) than staples. Endopath EMS staples are stronger (P < 0.05) than Endo Hernia staples.

Abdominal Muscles↗

Staple erosion into the bladder after mesh and staple laparoscopic colposuspension. A case report.

BACKGROUND: As new variations of operations are performed, complications must be recognized and reported. Erosion of staples into the bladder following mesh and staple laparoscopic colposuspension is a complication that must be anticipated, recognized and managed by the laparoscopic surgeon. CASE: A woman presented, four years after mesh and staple colposuspension for stress urinary incontinence, with bladder pain and hematuria. A staple was seen under the urothelium in the bladder dome and was removed cystoscopically, with resolution of symptoms. CONCLUSION: This is an avoidable complication of an increasingly performed procedure. Correction can be effected cystoscopically if the staple is visible.

Aged↗

Dilatation of the left colon with a Foley catheter: an aid to staple anastomosis.

Balloon dilatation of the left colon using a Foley catheter was performed in 26 patients prior to staple anastomosis. A 28-mm stapler was then used in six (23%) patients, a 29-mm in seven (27%), a 31-mm in eleven (42%) and a 33-mm in two (8%). Two anastomoses failed (7.9%) and one patient developed local recurrence. None of the remainder developed a symptomatic stricture. Flexible sigmoidoscopy was performed on 18 patients at least 3 months after surgery, revealing that one (5.5%) had developed an asymptomatic stricture. A 28-mm stapler had been used in this case. This technique of dilating the left colon with a Foley catheter is a useful aid to staple anastomosis in large bowel surgery.

Anastomosis, Surgical↗

Non-suture methods of vascular anastomosis.

BACKGROUND: The main aim of performing a vascular anastomosis is to achieve maximal patency rates. An important factor to achieve that goal is to minimize damage to the vessel walls. Sutures inevitably induce vascular wall damage, which influences the healing of the anastomosis. Over time, several alternatives to sutures have become available. METHODS: A Medline literature search was performed to locate English, German and French language articles pertinent to non-suture methods of vascular anastomosis. Manual cross-referencing was also performed and many historical articles were included. RESULTS AND CONCLUSION: The non-suture techniques can be categorized into five groups based on the materials used: rings, clips, adhesives, stents and laser welding. With all these techniques a faster and less traumatic anastomosis can be made compared with sutures. However, each device is associated with technique-related complications. As a consequence, suturing continues to be the standard approach. The disadvantages of the non-suture techniques include: rigidity and a non-compliant anastomosis with rings; toxicity, leakage and aneurysm formation with adhesives; early occlusion with stents; cost, reduced strength in larger-sized vessels and demand for surgical skills with laser welding. Further refinement is needed before widespread adoption of these techniques can occur. Clips, however, may be particularly promising but long-term evaluation is required.

Anastomosis, Surgical↗

Marginal ulcer following gastric bypass for morbid obesity.

Four hundred twelve patients underwent gastric bypass for treatment of morbid obesity between 1981 and 1985 at the University of Florida Affiliated Hospitals. Thirty-four patients (8.2%) developed marginal ulcers, considerably higher than the 0-3 per cent ulcer occurrence commonly reported in the literature. Factors predisposing to ulcer formation include: (1) a large gastric pouch; (2) a vertically oriented pouch; and (3) staple-line dehiscence. Twenty-two of 34 patients (65%) with symptomatic marginal ulcers were noted to have staple-line disruption. Twenty-one of these patients (95%) eventually required operative therapy for their ulcers compared with four of 12 patients (33%) with an intact gastric staple line. Surgical therapy consisted of takedown of the Roux-en-Y limb with resection of the ulcer and gastrogastrostomy. Staple-line dehiscence is a significant etiologic factor in the development of marginal ulcer following gastric bypass and when present constitutes an indication for reoperation.

Adolescent↗

Scanning electron microscopic analysis of the stapled microvascular anastomosis in the rabbit.

BACKGROUND: Despite the high percentages of experimental and clinical patency rates achieved using so-called mechanical anastomotic devices (Unilink; 3M, St. Paul, MN; vascular staples) they remain little known and occasionally used. METHODS: The VCS Auto Suture microstapler technique for microvascular anastomosis was tested experimentally and compared with the conventional "gold standard" 10/0 end-to-end microvascular technique. Thirty carotid arteries on one side of 30 rabbits were stapled using nonpenetrating 0.9-mm (small) VCS Auto Suture microclips, and the other 30 carotid arteries on the other side were sutured in a conventional way with 10/0 monofilament nylon. A 100% patency rate was achieved on both sides. Biopsy was performed in five groups of rabbits at different time intervals postoperatively, and the specimens were examined under scanning electron microscopy. RESULTS: All 60 anastomoses were patent. Histomorphologic examination of the anastomotic site revealed no major differences between sutured and stapled groups. CONCLUSIONS: Stapled microvascular anastomosis technique is fast and reliable.

Anastomosis, Surgical↗