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At least 505 records · Page 28Linked to original sources
PubMed1983

[Experimental study of a new technic of sutureless tubal anastomosis in the rabbit].

The authors have tested an original method of tubal anastomosis in the rabbit, which does not require suture material. The principle of the operation is the intubation of the ovarian tube by a silicone elastomere tube which acts as a guide for healing. From the 11 rabbits operated, the authors obtained 7 pregnancies, i.e. 63,6%. The results of this series do not appear to be any different from the pregnancy rates obtained by other teams with microsurgical techniques in the rabbit. The authors conclude that their method is as reliable, but more simple.

Animals↗
PubMed1984

[Sutureless reconstruction of the extensor tendon in mallet finger].

Good functional results can be obtained with early conservative treatment of lacerations or ruptures of the terminal portions of the finger extensor tendons. If the injury is not treated or followed closely, the typical deformity can be seen after several months. If the appearance and the functional disturbance are severe, operative reconstruction is indicated. In these cases, the ruptured or avulsed tendon generally heals spontaneously in three months in a lengthened position. This observation has been the impetus to the investigation of a very simple operative procedure. Observations on the healing and shortening of tendon ends in loose approximation can be applied to acute tendon ruptures. For this reason, ruptures of the extensor tendons are treated by pinning the distal interphalangeal joint in slight hyperextension with a Kirschner wire. This operation has been performed on 80 patients with good functional and aesthetic results.

Arthrodesis↗
PubMed1982

Improved results for dissecting aneurysms. Intraluminal sutureless prosthesis.

Surgical therapy for dissection of the thoracic aorta has had a high mortality. One contributing factor has been hemorrhage from the prosthesis and the suture lines. A method of treatment with an intraluminal prosthesis that requires no end-to-end anastomosis has been developed. We have used this method in 14 patients, of whom eight had acute thoracic aortic dissections and six had chronic dissections. We assembled our own prosthesis in the first five cases but, more recently, we have utilized an intraluminal prosthesis provided by USCI. Eight of the patients had type 1 dissection, of whom five required concomitant aortic valve replacement and three coronary artery bypass grafting; one had a type II dissection and five had type III dissections. The age range was 31 to 71 years with a mean of 58. There were 12 men and 2 women. There were no intraoperative deaths, but one patient died 10 days postoperatively of a perforated ulcer and another died at 6 months of empyema. Follow-up has been from 9 to 51 months with a mean of 22 months. There has been no evidence of compromise of the aortic lumen and no prosthetic problems, such as erosion, migration, or thrombosis. This technique provides a safe and simple way to repair dissecting aneurysms of the thoracic aorta and has provided long-term reliability. We have subsequently used this graft for 11 patients with aneurysm of the aorta with favorable results. We presently recommend this technique for dissecting, atherosclerotic, and Marfanoid aneurysms of the thoracic aorta.

Adult↗
PubMed1978

Sutureless repair of ruptured urethra.

Two cases of complete traumatic rupture of the posterior urethra are described. The ends of the urethra were united without suture by pulling them together with a transurethral balloon catheter. The results were excellent; the patients healed without sticture and remained continent. These observations suggest the applicability of the method to similar injuries.

Catheterization↗
PubMed1995

Sutureless rabbit bladder mucosa patch graft urethroplasty using diode laser and solder.

Fistula and strictures at the site of sutured anastomoses are frequent complications of major urethroplasty. We harvested bladder mucosa in 26 rabbits to repair large defects in the proximal urethra using laser-activated solder in the hope that such a repair would be stronger, faster to create and avoid common complications seen with conventional repair. Large oval defects were created in the proximal urethra in all animals undergoing urethroplasty. Twelve animals underwent bladder mucosa graft closure via diode (808 nm.) laser activation of an albumin-based solder (50% were suture-free). Fourteen additional animals underwent closure with 7-zero polydiaxanone suture (controls). Leak pressure and time of repair were recorded for each graft. Additional sections of bladder mucosa were harvested, transected and repaired by laser welding to determine tensile strength. In both groups, radiography, urethroscopy and clinical course were evaluated for as much as 6 weeks postoperatively. Urethroplasty time was significantly (p < 0.01) shorter for the laser group (13.8 +/- 2.5 minutes) than for the sutured repair group (24.0 +/- 5.3 minutes). Initial leak pressures for the lasered grafts averaged at least 4 times those of sutured grafts (p < 0.01). The tensile strength for lasered bladder mucosa was 3.16 +/- 1.12 kg./cm.2 Early retrograde urethrograms (RUG) performed at 7 days (n = 5) revealed urinary extravasation and fistula formation in 2 control animals compared with a normal urethral appearance in 3 lasered repairs. Early retrograde urethrograms performed at 21 days (n = 21) demonstrated smooth-walled urethras with no evidence of fistula, stricture, or urinary extravasation in the lasered group; varying degrees of reactive mucosal proliferation were seen in the controls. Urethroscopy confirmed these observations. At 6 weeks, histologic examination confirmed the presence of viable graft in all animals. We conclude that bladder mucosa patch graft urethroplasty using diode laser welding and albumin-based solder is an attractive alternative to conventional methods.

Animals↗
PubMed1994

[Sutureless wound adaptation. Comparison between corneal and corneoscleral incision].

Fifty-four eyes with concomitant diseases, either a coagulation disorder or previous glaucoma surgery, were implanted with a folded, disc-shaped silicone intraocular lens (IOL) via a 3.5 mm three-step clear corneal tunnel; we developed this technique in 1991. IOLs of the same lens type were implanted through a 3.5 mm corneoscleral tunnel by the same surgeon in a control group consisting of 52 eyes. The final visual outcome was reached after 4 weeks in 44.7% of the patients (compared to 63.5% in the control group). The postoperative astigmatism stabilized after 3 months in 31.4% of the patients belonging to the clear corneal tunneling group and after 1 month in 32.1% of the patients belonging to the corneoscleral tunneling group. Compared to the control group, the continuously decreasing induced astigmatism was significantly greater in the clear corneal tunneling group at all times, except for 1 week postoperatively. After 1 year, the mean astigmatism was 0.91 +/- 0.50 D, compared to 0.57 +/- 0.36 D in the control group. After 18 months, the average induced astigmatism in the clear corneal tunneling group increased to 1.30 +/- 0.54 D, compared to the stable value in the control group amounting to 0.59 +/- 0.52 D. As an alternative to routine corneoscleral small incision surgery, the clear corneal technique is especially suited for patients with a coagulation disorder, with unfavorable anatomic conditions, or with glaucoma; a scleral incision should be avoided in these cases.

Aged↗