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Biomedical subjects

G G Delaini

Publications and source records attributed to G G Delaini.

54 records · Page 3Linked to original sources

[Incidence of recurrent nerve paralysis in personal cases of thyroid surgery].

The authors review their series of thyroid operations, totaling 383 cases in the last seven years. In that series the incidence of recurrent nerve lesions leading to permanent sequels was 1.07% (all treated without surgical preparation of the nerve); an additional 0.53% of the patients developed transient paralysis of the recurrent nerve--of which the authors discuss the possible etiology. The authors conclude by stating the need for careful recognition of the recurrent nerve in all surgical procedures involving the thyroid gland, except some enucleo-resections; they confirm the importance of branches of the inferior thyroid artery and the inferior horn of the thyroid cartilage as reference points.

Humans↗

[Carcinoma of the appendix. Presentation of one clinical case and review of the literature (author's transl)].

After presenting one case of carcinoma of the appendix of their own observation, the authors discuss several aspects of the anatomopathology, clinical course, and diagnosis of tumors of the appendix. From a review of existing literature it emerges that no case of carcinoma of the appendix was ever diagnosed preoperatively. The authors evaluate the difficulties inherent in such diagnosis and recommend some means of investigation that are currently applied to other organs.

Adenocarcinoma↗

[Angiomatosis of the colon; presentation of one case and review of the literature (author's transl)].

Following a brief introduction in which they outline the frequency of colonic angiomatosis and its characteristic symptom triad, the authors describe one case of this condition come to their observation and treated surgically. Next they discuss the classification, differential diagnosis versus other colonic diseases and disorders, available diagnostic aids, and therapeutic resources. They stress in particular the difficulty of diagnosing this condition correctly, to the point where definite recognition is often made only by exploratory laparotomy.

Angiomatosis↗

[Rectal prolapse and fecal incontinence. A prospective manometric study].

In the present work we have studied two consecutive series of patients who underwent a posterior abdominal rectopexy according to Wells or Ripstein. During the year of follow up no recurrences were observed. Functional results, evaluated according to a protocol, by history of the patient and manovolumetry, shoved an improvement of fecal continence in more than half of the incontinents in both series. However, constipation increased after Wells' rectopexy, while no major changes were observed after Ripstein's rectopexy. We conclude that the first surgical technique may offers worse functional results.

Adult↗

[The long-term complications from ileostomy in patients with Crohn's disease and ulcerative colitis].

In the period between 1959 and 1984 at the Surgery Department of the University of Goteborg, ileostomy (after colectomy) was mad in 203 patients affected by chronic inflammatory bowel disease. Patients were followed up prospectively to evaluate the frequency and severity of the complications. The cumulative rate of surgical reoperation was significantly higher in the group of patients with Crohn disease in comparison with those affected by ulcerative colitis. After 8 years it reached 75% in the first group and only 44% in the second. The most frequent indication for surgery reoperation were stenosis and retraction. 83% of the operations were only local not requiring laparotomy. No statistically significant correlation was found for the reoperation rate, the surgical technique, the length of the ileal resection and the post-operative weight gain. Only a systematic and accurate follow-up done by the surgeon and the enterostomist can detect an optimal functioning of the ileostomy. In case of complications which could be surgically corrected an early operation is needed. In most cases this can be simply made by local anesthesia.

Adolescent↗

[Sexual dysfunctions after conventional proctocolectomy].

Seventy-one women who had a proctocolectomy for ulcerative colitis (n = 41) or Crohn's disease (n = 30) were interviewed in the follow-up clinic about gynaecological problems and fertility. 49% (35/71) of the women had a distressing vaginal discharge after proctocolectomy, compared with 9% before surgery. At the gynaecological examination 45% (32/71) had a heavy vaginal secretion without any signs of an acute vaginal infection. In 68% (30/44) fluid retention in the vagina was associated with a caudally firmly fixed and dilated posterior vaginal fornix. Twelve per cent (8/66) of the women reported dyspareunia before surgery. After surgery, 27% (18/66) complained of this symptom. Fertility was significantly reduced after surgery since only 37% (10/27) of the women who attempted to become pregnant succeeded within five years follow-up. The corresponding figure before surgery was 72% (39/54). Those who conceived went through pregnancy and parturition without any incident, 6 of 24 delivered by caesarean section. 57 men who had a proctocolectomy for ulcerative colitis (n = 41) or Crohn's disease (n = 30) were interviewed in the follow-up clinic about the presence of sexual disturbances and their incidence was studied, 57% of elderly patients (above 40 years old) complained a reduced libido and sexual satisfaction. In younger patients (below 40 years old) 33% complained an impaired quality of sexual ife and 22% complained an impaired sexual satisfaction. However, despite some sexual dysfunction, 56% reported improved sexual life and 67% improved sexual satisfaction. This may be explained by improved general health and increased libido after removal of diseased bowel. The incidence of patients with ejaculatory disfunction (retention or retrograde ejaculation) is 9%. The increased awareness of uro-genital disfunction and therefore their prevention can contribute to the improvement of quality of life and to the rehabilitation of patients with benign diseases.

Adult↗

[The functional and manometric-volumetric results following abdominal rectopexy for total rectal prolapse].

Functional changes after the posterior abdominal rectopexy for the treatment of rectal prolapse are not fully understood. We studied the effects of Wells' or Ripstein's rectopexy on functional characteristics as related to anal sphincter function, rectal volume and sensory function in 21 patients with complete rectal prolapse. We have observed an improvement of continence over 70 per cent in both groups. However, an absent or a decreased call to stool, constipation and evacuation difficulties are the aftermath of Wells' rectopexy, while these complaints appear basically unaffected by Ripstein's technique. Sensory thresholds for sense of filling and urge were significantly raised after Wells' rectopexy even one year after operation, whereas after Ripstein's operation sense of filling was not significantly affected and while sense of urge was increased early postoperatively, it was not significantly changed at one year postoperative control. In conclusion, when fecal incontinence appears associated to a complete rectal prolapse has good chances to improve postoperatively. Preoperative evacuation difficulties seems to be unaffected by a posterior abdominal rectopexy, Wells or Ripstein, but an extensive dissection of the rectum with the division of the lateral stalks, as it is performed in Wells' operation, seems to be a procedure that can create a further burden of problems to the patient and it seems coupled to a manovolumetric elevation of rectal sensory thresholds.

Adult↗

[Extended surgical resections of locally diffuse colorectal carcinoma (clinical cases)].

The authors report on a study population of extended operations for locally spread colon-rectum cancer in the Verona Surgical Clinic over the period from 1971 to 1987 (114 surgical demolitions for colon-rectum cancer out of a total of 1294 operations). They report an overall 5-year survival rate of 41% and a 3-year survival rate of 59% with a perioperative mortality rate of 1.75%. A number of aspects of such extended operations are discussed, and, in accord with most other reports in the literature, the authors confirm the validity of the choice of this type of surgery.

Colonic Neoplasms↗

[Spontaneous rupture of the stomach (case report)].

The Authors show a case of a 68 year old woman underwent a successful operation for spontaneous stomach heavage. The linear solution of continuity, 5-6 cms long, was sutured on the small gastric curve. The treatment consisted in suturing the lesion and performing a decompressive gastrostomy.

Aged↗

[Evaluation of the sphincter function and rectal sensitivity in rectal prolapse associated with fecal incontinence].

It has been suggested that incontinent patients with rectal prolapse develop a relaxation of the internal sphincter at a lower filling volume than those with the same disorder who were continent. A constant relaxation of the internal sphincter during filling before the individual experiences a need to defecate could be a contributory cause of the incontinence in these patients. Aiming to evaluate the former observations we have investigated continent and incontinent patients, with complete and internal rectal prolapse, by mean of the recto-anal manovolumetry. 31 patients were studied, 21 had a complete rectal prolapse and 10 had internal rectal prolapse and 28 sex and age matched controls were selected among volunteers. No difference has been found between the continent and incontinent patients with rectal prolapse, in term of sensory function studied by graded isobaric distention. Moreover, no difference has been found between the rectal volume at which perception of filling and relaxation of the internal sphincter during filling occurs. Therefore, in this respect, the present data are not in agreement with the theory proposed.

Adult↗

[Defecography in internal invagination of the rectum].

Rectal invagination has been considered an important cause of defecation difficulties and blockade (obstructed defecation). In the present study defecographies performed on 15 patients, with previous diagnosis of rectal invagination have been reviewed. Six patients had an intra-rectal (IR) invagination, three had an intra-anal (IA) invagination, while two patients did not show a typical rectal invagination. In the present series there is a suspected radiologic recurrence of the invagination. Three patients show a tendency to rectal stenosis. Anorectal angles at rest and under straining appears higher than the ones in normal subjects, after rectopexy, anorectal angles do not appear to be significantly changed and the pelvic floor is not significantly raising post-operatively. 7 out of 10 women had a rectocele preoperatively and 4 out 9 postoperatively. In 8 patients it was possible to compare a pre to a post-operative defecography. All patients but one displayed a reduction in the ability in emptying the rectum. The fact that rectal emptying is impaired may suggest that some autonomic denervation might occur following rectal mobilization.

Adult↗

[Occult rectal prolapse: functional results after rectopexy].

In the present work the Authors have studied 19 patients with occult rectal prolapse evaluating symptoms and functional results after posterior abdominal rectopexy. Symptoms of internal rectal procidentia appear as a definite syndrome. In our patients pain upon defecation, this being often localized to the perineal and sacral region, was observed in 14 on 19 cases, while fecal incontinence was present in 5 cases (29%) and rectal bleeding in 8 (44%). These compliances are relieved by the anatomical correction of the rectal intussusception, but the preexisting functional disorders in the mechanism of defecation appear to be unaffected by rectopexy. (Sensation of obstruction 11 cases (58%) preop. e 9 cases (53%) postop.).

Adult↗

[Variations in rectal capacity and compliance after abdominal rectopexy].

The aim of this study was to attempt to gain insight in to the pathophysiologic characteristics of rectal prolapse by evaluating rectal compliance in patients with complete or incomplete rectal prolapse, before and after rectopexy. 21 subjects with complete rectal prolapse and 10 subjects with internal procidentia of rectum were treated with one of two abdominal rectopexies, according to Wells or according to a modified Ripstein's technique. For comparison, measurements were also carried out in 17 age and sex control subjects who had no bowel disturbances or anal symptoms. On distension with 40 cm H2O rectal volume amounted to 218 (175-255) ml for controls, 225 (178-256) ml for complete prolapses and 200 (125-225) ml for invaginations. Compliance amounted respectively to 9.5 (5-11,4), 8.5 (5-12,6), 7.5 (4-10,6) ml/cm H2O in the pressure interval 0-10 cm H2O with a decrease in compliance at higher pressure intervals. There was no correlation between rectal volume and compliance and gas or faecal incontinence, evacuation difficulties, feeling of blockade upon defecation and constipation. The effect of rectopexy has been separately evaluated according to the diagnosis. In complete prolapse significant changes of rectal capacity were observed for lower distending pressures (from 10 to 30), but not for higher (40-50). The compliance was significantly different for even lower distending pressures (0-10 cm H2O). In internal rectal procidentia rectopexy did not significantly changed capacity compliance. This work confirms the observations that the rectal compliance in rectal prolapse, complete and incomplete, do not differ from healthy controls.(ABSTRACT TRUNCATED AT 250 WORDS)

Adult↗

[Medical therapy of chronic idiopathic constipation].

The medical care of the idiopathic constipation requires the correct patient identification based on precise classification items and on physiopathological considerations. The laxative abuse is often the most difficult problem to be solved and it has to be dealt with the consideration of different clinical aspects (wrong diet, psychological profile, concomitant diseases, drug therapy, etc.). The first step exactly consists in the identification and correction of the wrong convictions, of the behavioural attitudes and of the unbalanced dietary habits. Adding bran is the second widely accepted therapeutic step based on both physiopathological and epidemiological considerations. Even if the mechanism of action is still not completely understood, the fibre addition per se leads to an improvement of the constipation in quite a relevant percentage of patients, although it is often poorly tolerated. Nevertheless there are peculiar conditions not responsive to the bran addition such as the so-called "anismus". For these situations different therapeutic approaches have been proposed with variable results. Among these we can mention the re-educational programmes of the modalities of the defecation using biofeedback techniques. The chronic idiopathic constipation not respondent to the conventional medical therapy appears anyway a problematic and very difficult condition both from the investigational viewpoint and the therapeutic options. Finally it can be stated that the laxatives have a certain role in those clinical conditions most probably leading to the constipation. For each therapeutic drug class it is, of course, of great importance to know its mode of action as well as its adverse event profile.

Cathartics↗

[Diagnostic imaging in constipation].

Diagnostic imaging modalities play a key role in the definition of the possible causes of constipation. Barium Enema (BE), Defecography (DG), Intestinal Transit Time (ITT), Computed Axial Tomography (CT) and Magnetic Resonance (MR) are necessary diagnostic tools for the identification either of the possible organic causes of the disease or of the functional disorders. The ITT evaluation is the main investigation to look for functional colic constipation; this method is in fact able to distinguish between the hypertonic type (in which the fecal progression is slowed down to such an extent that radiopaque markers accumulate in the most proximal part of the colon) and the atonic one (characterized by a global slowing down with the markers distributed along the whole colon). DG gives very accurate dynamic documentation of the pathologic alteration of the rectum-anal conduit, as well as of the disease of the supporting and anchoring system and of the levator complex; this type of investigation allows the definition (characterisation) of the different types of the functional rectum-anal constipation. Even in this case TAC and RM can greatly contribute to the definition of the whole picture of the constipation.

Constipation↗

[Abdominal rectopexy in the treatment of rectal prolapse: how to foresee the functional result].

21 patients (19 women) who underwent rectal prolapse repair were prospectively studied. At the one year follow-up, 6 of the eleven incontinent patients (54 per cent) regained full continence and while three of the remaining 5 patients improved they still referred occasional imperfection of continence. Resting anal pressure and maximal squeeze pressure were both significantly lower in the five patients who remained incontinent, 23 (17-31) mm Hg vs 50 (31-52) mm Hg (p < = 0.02) and 52 (17-75) mm Hg vs 108 (89-110) mm Hg (p < = 0.02), respectively. Moreover the manometric results showed evidence that in patients who remained incontinent, the anal pressure in response to rectal distention, was significantly lower than patients who regained continence (p < = 0.05) both before and after operation. We conclude that incontinent patients with rectal prolapse who exhibit a markedly low minimal residual anal pressure on recto-anal reflex inhibition are less likely to improve after rectopexy and that this preoperative test may be a useful predictor.

Adult↗