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Biomedical subjects

A Milovanović

Publications and source records attributed to A Milovanović.

At least 19 recordsLinked to original sources

[Results of hemilaryngectomy in primary surgical treatment of laryngeal carcinoma].

Hemilaryngectomy is the resection of a true anatomic half of the larynx with preservation of the cricoid cartilage. We present a retrospective study of 438 patients with glottic carcinoma, treated with hemilaryngectomy, at the Institute of Otorhinolaryngology and Maxillofacial Surgery, Clinical Center of Serbia between 1988 and 1997. The patients with positive margins (19.4% of all) were postoperatively irradiated. Local recurrences of carcinoma were found in 17.3% of subjects, and regional recurrences in 16.4% of subjects. Those patients were treated with total laryngectomy or radical neck dissection, and with radiotherapy. 5-years survival rate in our patients was 79%. Hemilaryngectomy provided acceptable percent of local and regional recurrences, and good functional results: respiration, swallowing and voice quality. Therefore it could be the first choice surgery technique in treatment of T2 laryngeal carcinoma.

Adult↗

[The role of strictureplasty in the treatment of Crohn's disease].

Crohn's disease is pandigestive disease of unknown aethiology, with tendency to reccurrences. Until now it is impossible to heal this disease either by medical or surgical treatment. All unfavourable consequences of this disease are result of inadequate treatment of complications which are leading to systemic weakening, with further progression of morbid process. Therefore, the principle of timely and minimal invasive surgical procedure has been generally adopted. Introduced in eighties, strictureplasty is a procedure of such characteristics. During the period 1980-2001 this method was used in 1/3 of 126 patients with Crohn's disease. There were 79 strictureplaties performed, 9 long and 70 short. Out of these 42, 12(28.6%) were postoperative recurrences, and there was one case of duodenal strictureplatsty. Postoperative small bowel fistulae were not observed, and there was no mortality in this group. During the follow up period of at least 5 years, in only two cases (4.76%) some functional disturbances of digestive functions were observed, without indications for reoperation. In this article indications and details of operative technique are discussed.

Anastomosis, Surgical↗

[Surgical treatment of hematologic disorders of the spleen].

Splenectomy--the surgical removal of spleen is being performed in cases of: traumatic spleen rupture, as part of other surgical procedures, number of hematological, infectious and metabolic disorders. During the years 1988.-2001., there were 396 splenectomies performed at the First surgical clinic, for the cause of: autoimmune disorders 187 (47.34%), lymphoproliferative diseases 89 (22.59%). Hodgkin disease 35(8.94%), myeloproliferative disease 39 (9.95%), as part a of "staging" laparotomy 37(9.34%), other hematological disorders 7(2.20%). The spleen of [table: see text] 244 patients weighted 500-1500 g(61.62%), in 56 patients (14.14%) weighted less than 500 g, and in 96 patients (24.24%) spleen weighted more than 1500 g. Patients with thrombocytes less than 40,000/l 16 (4.04%) were perioperativly treated with fresh thrombocytes. Postoperative morbidity and mortality were registered in 54 (13.64%), i.e. 8 (2.02%) patients. Delayed results depended on primary disorder, comorbidities and supportive therapy. In this article, the particularities of the operative procedure were discussed, as well as importance of cooperation of surgeon and hematologist in perioperative treatment.

Adolescent↗

[Intraoperative and postoperative complications of splenectomy].

Spleen is being surgically removed because of trauma, in diagnostic and-or therapeutical purposes because of the benignant and malignant diseases. The percentage of morbidity during and after splenectomy is relatively low. During surgery might occur bleeding, trauma of the pancreatic tail, stomach, lineal flexure of the colon, left hemidiafragm, left suprarenal gland and upper pole of the left kidney, which must be correspondingly reclaimed during the same intervention. In the early postoperative period, postoperative bleeding, subfrenic abscess, pulmonal atelectasis, bronchopneumonia and left pleural extravasations might occur. Especially is important notification of these events in due time and adequate conservative and surgical treatment. After splenectomy, there is an increase of the number of trombocytes, which might lead to the tromboembolic complications. In the prevention of these complications in the postoperative period prolonged antiagregation therapy is suggested. Postsplenectomy sepsis is very late, general complication of splenectomy, which occurs because of the lower immunity in the child age. To prevent these complications, partial splenectomies, reimplantations of the spleen, prolonged application of the penicillin medicines after splenectomy and antipneumococcal vaccine are performed.

Humans↗

[Autotransplantation of the spleen].

Auto transplantation of the spleen can be performed in the patients with traumatic rupture of the spleen, in whom spleen could not be conserved in the other way. The right indication for this method is isolated rupture of the spleen (concvasation or complete devascularisation). This method is not recommended in the endangered patients, patients with previous disease of the spleen as well as in the patients with the perforation of the other abdominal organs at the same time. Auto transplantation was performed in 12 patients with isolated splenic rupture and hematoperitoneum, 11 men and one woman. The majority of patients are younger. In 8 patients, autotransplant was placed into big omentum, in three into lipomatous tissue surrounding left kidney, and in one into anterior abdominal wall. In all the patients from this group, following analysis were taken: MCV (middle volume of erythrocytes), HTC, Hb, Le, Glucose, urea, creatinin, sodium, potassium, alkali phosphatasis, target cells, Howell Jolly's bodies, Heinz's bodies, IgG, IgA, IgM, C3, C4, T3, T4, T8, B, segmentated, eosinophiles, lymphocytes, reticulocytes, thrombocytes, fibrinogen, PT, APTT, aggregation of thrombocytes and aggregation of thrombocytes on collagen. The same parameters were taken in 12 patients with surgery similar to splenectomy and in 12 after splenectomy. After splenectomy, there was decrease of the immunologic defending abilities of the organism because of the loss of the childrens function of the spleen, decreased level of the opsonines and tutsin, which leads to the impaired phagocytosis, decreased concentration of IgM and T and B lymphocytes, while in patients after auto transplantation the results were physiological. The most important thing in the assessment of the function of the autotransplanted spleen is scintigraphic investigation using 99mTc-denaturated red blood cells. In our study, auto transplant function was assessed in 10/12 patients by scintigraphy. Five years after surgery, no one patient was proved to have postsplenectomic sepsis.

Female↗

[Laparoscopic splenectomy--indications, specifics of surgical procedures and surgical technics].

The surgical management of splenic disorders has changed considerably over past few years. The increased use of laparoscopic approach for general surgical problems has prompted surgeons to investigate feasibility of laparoscopic splenectomy. However, some unique anatomical features of disordered spleen may limit the application of laparoscopic techniques for this procedure. In this article we analyzed indications for laparoscopic a surgery of the spleen, some surgical particularities of laparoscopic splenectomy, as well as the techniques to accomplish this procedure.

Contraindications↗

[Protective colostomy or ileostomy?] ].

A group of patients is presented, where colorectal or coloanal anastomosis after resection was performed together with concomitant covering colostomy (102) or ileostomy (25), during the period 1985-2000. Covering colostomy was most often performed upon hepatic flexure (82.1%) and upon sigmoid colon (8.9%). The incidence of complications during performing or closure of colostomy was 6.8% with one case (0.8%) of death due to unsuccessful protection of primary anastomosis. The incidence of complications in covering ileostomy was 16%, with 3 (12%) deaths. Authors are analysing the data from literature about indications and technique of covering enterostomies, comparing them with their experience and concerning the choice of appropriate protective procedure. They came to conclusion that the reason for covering procedure has been in many instances reasonable, and that in the question of protection both methods are comparable, but covering ileostomy has potentially more dangerous complications. Therefore as a method of anastomotic protection authors are generally recommending covering colostomy except in technically specific cases.

Anastomosis, Surgical↗

[Metastasis of malignant melanoma in the small intestine--case report].

Small bowel metastases of the malignant melanoma are usually discovered in 2-5% of the patients with malignant melanoma of the skin during the life. They are usually being diagnosed with a complication on the small bowel, such as occlusion, bleeding, anemia and perforation of the intestine. Authors show three patients with metastases of the malignant melanoma in the small bowel, which lead to invagination, subocclusion and anemia due to bleeding. In all the patients, resection of the small bowel was performed with termino-terminal anastomosis. One of them lived 7, the other 4 months after the surgery and is in pretty well condition, while third patient was not controlled at all.

Aged↗

[Surgical treatment of recurrent Crohn's disease].

According to the literature, the incidence of Crohn's disease is 6.0:100,000, and the prevalence is 50.0-60.0:100,000. The prevalence in this countries 3.2:100,000 and the characteristics of the disease are: a more benign course, better prognosis and infrequent involvement of the colon. The incidence of recurrence is 40.0% during a 5 year period and 65% during a 10 year period. Practically, every patient operated for Crohn's disease will be reoperated once during the first five postoperative years. The experience of the authors indicates that the situation in this country is considerably better. During the period ranging from 1980-1992, a total of 70 patients were operated for Crohn's disease. In this group of operated patients 24 (34.40%) had recurrent symptoms. Seven patients (10.0%) in the series, operated at an earlier date at this Institution, were reoperated for Crohn's disease. Another 8 patients (11.43%) were also reoperated for Crohn's disease in this series, but their initial operation had been done at a different Institution (palliative or inadequate prior surgery). Indications for reoperation did not differ from indications for the initial operation: existence of surgical complications. The most important factors in the surgical management of recurrence are: assessment of disease activity and progression and adequate preoperative and postoperative nutrition in order to improve the immune response, which is often impaired by previous surgery, disease activity and inadequate management. Correct operative strategy is crucial. The authors, in both initial and reoperations, perform limited resection of the small intestine, generous resection of the large intestine and stricturoplasty and divergent stomas on the small intestine.(ABSTRACT TRUNCATED AT 250 WORDS)

Crohn Disease↗

[Splenectomy in the treatment of hematologic diseases].

After first splenectomy performed 1888 for spherocytosis until now, a number of hematological indications for therapeutical splenectomy were described, with established preoperative treatment and more favorable postoperative results in recent studies. In the period between 1985 and 1997, 130 splenectomies for hematological disorders were performed on Department of surgical gastroenterology, 1st Surgical Clinic. The indications were as follows: 72 patients with autoimmune hematological diseases (55.38%), 28 patients with lymphoproliferative diseases (21.54%), Hodgkin-s disease in 11 patients (8.46%), myeloproliferative diseases in 6 (4.62%), splenectomy as a part of staging laparotomy in patients (7.69%), and for other hematological disorders in 3 patients (2.31%). Most of the removed spleens (95) weighted from 500 to 1500 g (73.08%). In 19 patients spleens weighted less then 500 g (14.62%), and in 16 patients more then 1500 g (12.31%). There was no significant correlation between the weight of the removed spleen and the incidence of postoperative complications. In 8 patients with preoperative thrombocytopenia (6.16%), intraoperative infusions of fresh thrombocytes were used. In 12 patients (9.23%) postoperative complications occurred, mainly in the patients who received immunosuppressive therapy preoperatively in excessive amounts, and were disease-dependent. Overall mortality was 4 (3.12%), and in 2 patients there was "exitus in tabular". Delayed results depended of basic hematological disorder and supportive treatment. The surgical particularities of the operative procedure are discussed, as well as the perioperative treatment and certain aspects of teamwork of hematologist and surgeon.

Adolescent↗