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find Author "孙乃学" 3 results
  • RECONSTRUCTION OF EYELID WITH HARD PALATE MUCOSA AUTOGRAFTAFTER RESECTION OF MALIGNANT TUMOR OF EYELID

    Objective To evaluate the clinical effect of the eyelid reconstruction using hard palate mucosa graft after resection of malignant tumor of eyelid. Methods From January 1998 to October2003, 18 cases of malignant tumor of eyelid underwent the eyelid reconstruction with local flap grafting and hard palate mucosa autotransplantation. Of 18 cases, there were 10 males and 8 females, aging from 35 to 67 years. The defect was caused by basal cell carcinoma of eyelid in 10 cases, by carcinoma of meibomian glands in 6 cases and by squamous cell carcinoma of eyelid in 2 cases, including 12 cases of complete eyelid defect and 6 cases of 2/3 eyelid defect. Results The appearance and function of the eyelid in all cases were almost normal after the eyelid reconstruction with hard palate mucosa autotransplantation in replacing posterior layer of eyelid. The complete eyelid closure and no entropion were observed in all cases. The infection and contracture of the graft, immunologic rejection were not observed in allcases during the followup period of 6 to 48 months. Conclusion The eyelid reconstruction using autotransplantation with hard palate mucosa in replacing posterior layer of eyelid was easy-to-operate and has satisfactory clinical effect. The hard palate mucosa as substitute of tarsus is superior to the traditional substitute.

    Release date:2016-09-01 09:26 Export PDF Favorites Scan
  • APPLICATION OF FRESH AMNIOTIC MEMBRANE TRANSPLANTATION IN TREATMENT OF STENOSIS OF CONJUNCTIVAL SAC

    Objective To evaluate the clinical efficiency of fresh amniotic membrane transplantation in treatment of stenosis of conjunctival sac. MethodsThirty cases (30 eyes) of stenosis of conjunctival sac were treated with fresh amniotic membrane transplantation. Amniotic membrane was obtained under sterile conditions after elective cesarean delivery. The woman’s serum was negative for HBsAg, syphilis, and human immunodeficiency virus. The placenta was first washedfree of blood clots with sterile saline. Under sterile conditions, the inner amniotic membrane was separated from the chorion by blunt dissection, and was cleaned of blood with the sterile saline again. The membrane was then flattened onto a surgidrape adhesive paper with the epithelium surface up. The paper with the adherent amniotic membrane was then cut into 5 cm×8 cm pieces, and then rinsed in solution containing 4×106 U/L of gentamycin and stored at 4℃. It could bestored for 12 hours after preparation. The-adhesiotomy was performed firstly. The separation between the conjunctiva and scar tissue should be complete and wide enough to reach to the orbital margin. The adhesiectomy was taken secondly. The scar tissues were removed completely. The fresh amniotic membrane was flattened onto the conjunctival defect with epithelium side up. The fresh amniotic membranewas 10 mm more than the conjunctival defect by trimming off the excess portion.This fashioned membrane was then secured to surrounding conjunctival edge with continuous 7-0 nylon sutures. The necessary mattress suture of inferior conjunctival fornix via skin next to the inferior orbital margin was performed simultaneously. The retrobular implantation of the an artificial globe made of hydroxyapatite was performed on some patients with sunken eye. Correction of traumatic ptosis was performed on a few patients.Results The operation ofreconstruction of partial conjunctival sac for 30 cases was successful. All amniotic membrane grafts were alive. The cosmetic result was complete favorable. The infection and contracture of the graft, immunologic rejection and amniotic lysis were not observedin all cases during the follow-up period of 13-18 months.Conclusion Fresh amniotic membrane transplantation can be used in reconstruction of the partial conjunctival sac effectively and can be popularized in thelocal hospital in China because the amniotic membrane can be obtained easily.

    Release date:2016-09-01 09:33 Export PDF Favorites Scan
  • Clinical study on the effect of polycythemia on retinopathy of prematurity

    Objective To explore the effect of polycythemia on retinopathy of prematurity (ROP). Methods The clinical data of 262 premature cases was analyzed retrospectively in Xi'an Children Hospital from January 2005 to January 2009. Polycythemia was found in 46 cases (17.56%), including 27 males and 19 females. In 216 infants without polycythemia (82.46%), 155 were male and 61 were female. The difference of the birth weight (t=0.730, P=0.466), gestational age (t=1.603,P=0.110), oxygen inhalation numbers (chi;2=0.04,P>0.90) and times (t=1.225,P=0.223), and concentration (t=1.823,P=0.071) between polycythemia group and no polycythemia group were not significant. In order to diagnose ROP, the ocular fundus of all premature infants was examined with binocular indirect ophthalmoscope,and the stage of ROP was assessed.Results In all the premature infants,ROP was found in 120 cases (45.80%). In 46 cases of polycythemia, ROP was found in 25 cases (54.34%); in 216 infants without polycythemia, ROP was found in 95 cases (43.98%); the difference of ROP incidence between the two groups was not significant (chi;2=1.64, Pgt;0.1).In 120 ROP patients, 104 cases (86.67%) with ROP<3 stage and 16 cases (13.33%) with ROP ge;3 stage were found. In 25 ROP patients with polycythemia, 18 cases (72.00%) with ROP <3 stage and 7 cases (28.00%) with ROP ge;3 stage were found. In 95 ROP patients without polycythemia, 86 cases (90.53%) with ROP <3 stage and 9 cases (9.47%) with ROP ge;3 stage were found. The difference of the incidence of ROP <and ge;3 stage between the two group was significant (chi;2=4.38, Plt;0.05). In 120 cases of ROP, prethreshold retinopathy was found in 106 cases (88.33%), while threshold and post-threshold retinopathy was in 14 cases (11.67%). In 25 ROP patients with polycythemia, prethreshold retinopathy was found in 19 cases (76.00%), and threshold and post-threshold retinopathy was in 6 cases (24.00%).In 95 ROP infants without polycythemia, pre-threshold retinopathy was found in 87 cases (91.58%),while threshold and post threshold retinopathy was in 8 cases (8.42%).The difference of the incidence of ROP with prethreshold, and threshold and post-threshold retinopathy between the two groups was not significant (chi;2=3.27,P>0.05).Conclusion Polycythemia may not affect the incidence of ROP,but impact on the severity of ROP.

    Release date:2016-09-02 05:41 Export PDF Favorites Scan
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