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At least 1,243 records · Page 69Linked to original sources
PubMed1994

[Effect of resection or duct drainage on glucose stimulated beta cell function in chronic pancreatitis].

Chronic pancreatitis (CP) leads to deterioration of the endocrine pancreatic function by fibrotic destruction. The aim of the present study was to investigate whether resection or duct drainage in patients with CP would have a direct impact on the pancreatic beta cell function. An intravenous glucose tolerance test (IVGTT) was performed before, after and in some cases 3 months after operation in ten patients each of whom had been treated by either resection or duct drainage. Three patients undergoing pancreatic resection for cancer served as controls. Beta cell function was assessed by glucose elimination (K-values), insulin and C-peptide response. K-Values in patients with CP were not significantly influenced after resection (1.93 +/- 0.78/2.13 +/- 0.72; n.s.) or drainage (1.26 +/- 0.47/1.54 +/- 0.58; n.s.) but reduced in all three tumor patients (2.23 +/- 0.55/1.23 +/- 0.43). The initial insulin response [microU/ml] in CP patients was also not altered after resection (19.7 +/- 17.3/16.0 +/- 18.2; n.s.) or after drainage (16.7 +/- 16.5/13.0 +/- 9.0; n.s.), whereas all three resected tumor patients showed reduced values (42.9 +/- 15.7/17.5 +/- 3.8). Stimulated C-peptide synthesis [ngmin/ml] was not substantially lowered in patients resected for CP (90.5 +/- 85.6/73.8 +/- 48.9; n.s.) or in the drainage group (121.3 +/- 67.5/98.0 +/- 57.2; n.s.), but this parameter was decreased in every tumor patient postoperatively (157.8 +/- 66.9/125.1 +/- 69.6). Resection in patients with chronic pancreatitis did not inevitably result in loss of beta cell function. Parenchyma-preserving drainage procedures had no measurable advantage in this respect.(ABSTRACT TRUNCATED AT 250 WORDS)

Blood Glucose↗
PubMed1991

Simultaneous resection of colorectal carcinoma and synchronous liver metastases in a district hospital.

Of 491 patients operated for carcinomas of the colon or rectum between 1984 and 1989, 106 were tumour stage IV, U.I.C.C.(Dukes' 'D') at time of operation. In 22 of these cases a radical resection of the carcinoma of the colon or rectum and of synchronous liver metastases was performed simultaneously. In 20 patients the metastases were confined to one, in two they were found in both hepatic lobes. In one case a solitary metastasis of the lower lobe of the right lung was resected additionally. Three right-sided hemihepatectomies, one extended right hemihepatectomy, five left-sided hemihepatectomies, three left-sided lateral segmentectomies, seven atypical segmental resections and three wedge resections were performed. The mean operation time for the radical resection of the carcinomas of the colon or rectum as well as of the liver metastases was 3.5 (3-5.2)hours. An average of 3 (0-9) blood units were needed intraoperatively. The major liver resections were performed in complete normothermic vascular ischaemia using the finger fracture method. The time of ischaemia ranged between 8 and 25 min. Only 1 of 22 patients died postoperatively (30 days postoperative hospital mortality rate 4.5%). Five of 17 patients were free of tumour 2 years after operation. Eight of 22 were alive 2 years after operation (non-age corrected 2-year survival rate 36.4%), 2 of them are alive more than 5 years after treatment. Our results demonstrate that simultaneous resection of colon or rectum carcinoma and of synchronous (resectable) liver metastases can be performed successfully, even in a district hospital.

Austria↗
PubMed1995

Acute obstruction from tumour in the left colon without spread. A randomized trial of emergency colostomy versus resection.

Staged resection (group T) versus acute resection (group R) for cure was compared in a randomized study of 121 patients presenting with signs of leftsided obstructive colorectal tumours during emergency surgery from 1978 to 1993. Patients with distant spread were excluded. Transverse colostomy was done in 58 and resection without immediate anastomosis in 56. Duration of emergency surgery was shorter, blood-transfusions less and wound infections less frequent in T compared to R, but postoperative mortality was similar (8 patients in each group). The diagnosis of tumour was wrong in 11 patients in T and 6 in R. The proportion of patients surviving the second stage curative resection in T without a permanent colostomy (32/35) was higher than after acute resection (36/50) in spite of 6 patients having anastomotic surgery (Coloshield) at the time of acute resection in R. Days spent in hospital were less in R. Overall recurrence rates and survival rates were similar in T and R. No major advantage besides shorter hospital stay could be demonstrated by acute resection without simultaneous anastomosis compared with the traditional three stage procedure, which on the other hand carried a much smaller risk of a permanent colostomy. The latter should therefore serve as a control in a prospective evaluation of emergency resection with simultaneous anastomosis.

Acute Disease↗
PubMed1991

Extended resection in the treatment of colorectal cancer.

Between 1975 and 1990, 525 patients underwent resection of colorectal cancer in our unit. Of these, 38 had tumour invading adjacent structures and underwent an extended resection. Overall, there were 67 cases treated palliatively. Of these, three were in the group of 38 having an extended resection. When the groups of radical not extended (n = 423) and radical extended resections (n = 35) were compared, respective values for mortality (1.9% vs 0) and morbidity (12.8% vs 11.3%) were not different. Respective local recurrence rates (13% vs 26%) were significantly greater after extended resection. Five-year survival after extended resection was 30%, no different from the general survival rate for standard resections for T2-3 node-positive tumours. Extended resection is thus a safe and important approach for locally advanced tumours.

Adult↗
PubMed1997

Frozen-section-guided breast-conserving surgery: implications of diagnosis by frozen section as a guide to determining the extent of resection.

This study was conducted to analyze retrospectively the results of performing sector resection on 56 breasts in 54 patients with breast cancer. The glands were resected with a 2-cm tumor-free margin on both lateral sides and the distal side, and with more than a 3-cm tumor-free margin on the nipple side. The frequency of positive resection margins for the cancer cells was 7/56 (12.5%) on the nipple side and 12/46 (26.1%) on the lateral sides, with an overall frequency of 15/56 (26.8%). There were positive resected margins for cancer cells on both the nipple and lateral sides in 4/46 patients (9%). Assuming the equivocal margins were positive for cancer cells, an accurate diagnosis by frozen section examination was made in 51 of the 56 operations (91.1%). Additional resection of the margins was performed in all 20 cases of a positive resected margin for cancer cells according to the diagnosis by frozen section. Thereafter, the resected margins became negative in 13 cases (65%), but remained positive in 7 cases (35%). These results show that performing diagnosis by frozen section of the surgical margins is an effective guide to resecting tumors adequately.

Adult↗
PubMed1995

Seizure control and extent of mesial temporal resection.

Controversy exists about the extent of mesial temporal lobe resection that improves seizure control in patients with temporal lobe epilepsy. In this retrospective study, 70 patients with mesial temporal seizure activity (without evidence of tumor or vascular malformation) were surgically treated and followed for at least 2 years. The extent of mesial temporal resection was based on the findings of interictal and ictal discharges using depth electrodes, which were inserted preoperatively or intraoperatively by the orthogonal approach to the amygdaloid and hippocampal regions. Only the amygdala was resected along with the limited lateral neocortex if no epileptiform activity involved the hippocampus. The amount of hippocampal excision was determined by the extent of interictal seizure activity. The following groups became seizure free: all 8 patients with only amygdalar resection; 6 of 10 patients with amygdalar and < or = 1 cm hippocampal resection; 23 of 38 with 1-2 cm hippocampal removal, and 11 of 14 with > 2 cm hippocampal excision. In cases where there was no hippocampal resection, neuropsychological outcome compared favorably with controls. Our results suggest that although most patients with temporal lobe epilepsy require hippocampal resection of varying degrees, there is a subset in whom the amygdala may be the crucial element of a mesial temporal epileptogenic network. These patients can undergo a surgical resection sparing the hippocampus without compromising seizure outcome.

Adult↗
PubMed1994

Hepatocellular carcinoma with adjacent organ extension: the enhancement of preoperative transcatheter arterial embolization and the results of surgical resection.

A review was conducted on 93 patients with hepatocellular cellular carcinoma (HCC) who underwent a collective total of 98 resections. A total of 24 hepatic resections were performed on 22 patients who had a serosa-exposed tumor (group A), for which combined resection of the adjacent organs was also required due to gross tumor invasion. The tumors of the group A patients were larger, had a higher incidence of intrahepatic vascular involvement, and were in a more advanced stage than those of the other patients (group B). Nevertheless, there were no differences in operative morbidity and mortality between the two groups. Only ten of the group A patients, who each underwent one operation, had concomitantly resected adjacent organs histologically invaded by HCC, while histological examination revealed adhesions in the remaining surgical specimens of concomitantly resected adjacent organs. More of the group A patients had undergone a preoperative transcatheter arterial embolization (TAE), which may enhance the histological invasion of HCC to the adjacent organs. The median survival times of the group A and B patients were 15.3 months and 40.1 months, respectively (P < 0.05), although whether the concomitantly resected organs were truly invaded by HCC did not influence the prognosis. Thus, en bloc combined resection of HCC-invaded adjacent organs is still advocated even for recurrent tumors; however, for serosa-exposed HCC after TAE, earlier resection is recommended whenever possible to avoid invasion of the adjacent organs.

Adult↗
PubMedDate not supplied

The role of hepatic resection in the management of blunt liver trauma.

Forty-two (14%) of 306 patients with liver injuries presenting to Westmead Hospital over a 10-year period required hepatic resection as their definitive treatment. Two types of resection were performed: Resectional debridement utilized the plane of injury as the line of resection while anatomical resection utilized anatomical planes. Resectional debridement was used in 35 patients. In 29, the major technical problem was bleeding and 21 of these patients had associated hepatic vein injuries. In 5, the major problem was devitalized parenchyma, and, in 1, it was an intrahepatic bile duct injury. Anatomical resection was performed in 7 patients: 3 with bleeding, 2 with devitalized parenchyma, and 2 with intrahepatic bile duct injuries. Overall, 15 patients died (36%). The most common cause of death was bleeding in 9 of the 15 patients. Survivors spent a median of 32 days in hospital (range: 11-162 days) and sustained a median of 2 complications (range: 0-6). The most common complications were respiratory infection and/or failure, coagulopathy, and sepsis. Resection successfully addressed bleeding, devitalized parenchyma, and intrahepatic bile duct injuries with an acceptable mortality in critically ill patients who would otherwise have died.

Adult↗
PubMed1995

Laparoscopic-assisted intestinal resection for Crohn's disease.

PURPOSE: The inflammatory process associated with Crohn's disease often makes dissection difficult, even in "open" surgery. This study was undertaken to determine if dissection and resection could be performed laparoscopically and whether it would benefit this group of patients. METHODS: Between November 1992 and November 1994, laparoscopic-assisted intestinal resection was attempted in 18 patients with Crohn's disease and was successfully completed in 14. One patient had ileal disease, requiring ileal resection with ileoileal anastomosis. The remainder had disease requiring ileocolic resections. Muscle-splitting incisions averaging 5 cm in length were made to facilitate removal of specimens. RESULTS: Commencement of oral alimentation was possible at an average of 3.6 (range, 1-7) days postoperatively. Discharge occurred at an average of 6.6 (range, 4-9) postoperative days. In comparison, 14 patients operated on by the authors for the same disease in the open manner during the past six months stayed an average of 8.5 (range, 5-14) postoperative days. Postoperative complications were minimal. CONCLUSIONS: On the basis of this initial study, it appears that laparoscopic-assisted intestinal resection can be readily performed in patients with Crohn's disease. In our early experience, we have found that laparoscopic mobilization and resection may be difficult or impossible in patients with large fixed masses, multiple complex fistulas, or recurrent Crohn's disease. Extraction incisions are frequently so large in these patients that they do not derive the same benefits from laparoscopic surgery that are enjoyed by patients without these findings. Most patients having laparoscopic resections eat earlier, may require fewer narcotics, and are able to be discharged from the hospital an average of two days earlier than patients operated on in an open manner. In addition, it appears that laparoscopic-assisted intestinal resection results in a shorter, easier convalescence and an earlier return to full activity.

Crohn Disease↗
PubMed1993

Impact of computed tomography vs. intrarectal ultrasound on the diagnosis, resectability, and prognosis of locally recurrent rectal cancer.

The use of modern techniques of imaging in the postoperative follow-up is reported to allow an earlier diagnosis of local recurrence in patients operated on with anterior resection for rectal cancer and, consequently, to allow a higher percentage of local recurrence resection to be performed. Although intrarectal ultrasound (IU) has proved highly reliable in preoperative staging, its value in relapse detection has been investigated only in retrospective studies and rarely compared with that of computed tomography (CT). The present prospective study aims at evaluating the role of IU vs. CT in the diagnosis of local recurrence and at verifying whether an earlier diagnosis and a higher resectability rate of recurrence result in an acceptable long-term survival. Thirty-seven patients who had undergone low and ultralow anterior resection for rectal cancer (anastomosis within 10 cm of the anal verge) were investigated prospectively. All the patients have been followed up by IU and CT at predetermined intervals. Six local recurrences were detected. CT correctly identified all the local recurrences (sensitivity = 100 percent, specificity = 93 percent, and accuracy = 94.5 percent); IU correctly identified only four of six local recurrences (sensitivity = 66.6 percent, specificity = 93 percent, and accuracy = 89 percent). Four patients with local recurrence underwent surgical treatment (resectability rate = 66.6 percent). Abdominoperineal resection in three patients and Hartmann's procedure in one patient were performed. In the other two patients, extensive metastatic liver involvements contraindicated surgery. All the resected patients were alive after one year; two of them are disease free, and the other two experienced recurrent disease. In conclusion, CT seems to have a higher sensitivity and accuracy in relapse detection. The increase in the local recurrence resectability rate does not result in a significant improvement in long-term survival. However, the good quality of life justifies the high cost of an intensive follow-up and a more aggressive surgical approach.

Female↗
PubMed1990

Morbidity and mortality of hepatic resection for metastatic colorectal carcinoma.

Hepatic resection is the only curative therapy currently available for colorectal cancer metastases to the liver. However, concern over high morbidity and mortality of the procedure has limited referral of patients for resection. The authors report on 58 patients undergoing hepatic resection for colorectal metastases at the National Cancer Institute between the years 1976 and 1985. Thirty-two patients underwent a major hepatic resection, and 26 patients underwent one or more wedge resections. Mean anesthesia time was 448 minutes, mean estimated blood loss was 3663 ml, and mean hospital stay was 17.5 days. Operative mortality was 3 percent, and morbidity was 62 percent. Using a grading scale for complications, 24 percent of patients had inconsequential complications, 16 percent had moderate complications, and 19 percent had severe complications. Complications were clearly related to extent of procedure. Factors that correlated best with morbidity were high blood loss and trisegmentectomy. The authors conclude that while hepatic resection can carry a high morbidity, much of this morbidity is minor and operative mortality is low. Recent improvements in anesthesia, improved resection technique, and a better understanding of hepatic anatomy have made possible correspondingly lower morbidity and mortality rates. Careful selection of patients can make hepatic resection a safe procedure.

Anesthesia, General↗
PubMed1999

Abdominosacral resection of recurrent rectal cancer in the sacrum.

PURPOSE: Resection of the sacrum is the only curative therapy of isolated sacral recurrence after primarily resected rectal cancer. The aim of the study was to assess whether there is a benefit in terms of overall survival, morbidity, and mortality when sacrum resection is performed more radically and in cooperation between colorectal and orthopedic surgeons. Possible prognostic factors were also assessed. METHODS: Twelve consecutive patients who underwent interdisciplinary partial sacral resection were included in a retrospective cohort study. Furthermore, overall survival rate and survival time were calculated. RESULTS: Histologic examination showed tumor-free resection margins in all cases. Extended resection was necessary in seven patients, including total pelvic exenteration in two. No perioperative death occurred and no patient required early reoperation. Complications were observed in 42 percent of patients, mainly caused by poor wound healing. All patients experienced relief from pain. One-year and three-year overall survival rates were 50 and 17 percent, respectively. The overall mean survival time was 21.7 months. Patients who died of recurrent disease within one year either underwent former resection for locoregional recurrence, had extensive local recurrent tumors affecting pelvic visceral structures, or retrospectively suffered from metastatic sacral tumor manifestation. CONCLUSION: The mortality and morbidity rates observed in the present study seem to justify partial sacral resection as a means to achieve palliation of perineosacral pain in spite of rare overall long-term survival.

Adenocarcinoma↗
PubMed2000

Surgical outcome after curative resection of rectal leiomyosarcoma.

PURPOSE: The aim of this study is to present the prognosis and possible associated prognostic factors after curative resection of rectal leiomyosarcoma. METHODS: From 1979 to 1996 our hospital saw 40 patients with rectal leiomyosarcoma, including 19 females, who did not have metastasis initially and received curative resection and regular postoperative follow-up. RESULTS: The mean age of the 40 patients was 58.7 years. Anal bleeding and perianal pain were the two most common symptoms at initial diagnosis. Twenty-nine patients received a radical surgical resection, such as abdominoperineal resection or low anterior resection; the other 11 patients received a wide local excision, such as transrectal excision or Kraske's operation. Sixteen tumors were classified as high-grade leiomyosarcoma, and 23 as low grade. Nineteen patients (48 percent) developed recurrence or metastasis postoperatively (median follow-up, 35 months). The overall and disease-free (1-year, 3-year, and 5-year) survival rates were 97, 90, and 75 percent and 90, 59, and 46 percent, respectively. In univariate analysis, younger group (<50 years, n = 9, P = 0.033) and high-grade leiomyosarcoma (P = 0.043) showed poorer prognosis in the disease-free survival curve. In the multivariate Cox model, gender, tumor size, tumor location, and operation type did not significantly affect disease-free survival, whereas histologic grade (P = 0.037) and age divided by a level of 50 years (P = 0.009) were shown to be independent factors. There was a strong trend toward higher local recurrence rate for the wide local excision group than for the radical resection group (55 vs. 24 percent, P = 0.067) despite the wide local excision group being composed of smaller tumors (5.1 vs. 7.5 cm, P = 0.069). There was no difference in the incidence of distant metastasis between the two groups with different operation types. The metastasis rates of the wide local excision and radical resection groups were 27 and 38 percent, respectively. CONCLUSION: A younger age (<50 years) and a high histologic grade of tumor were the two most significant poor prognostic factors for rectal leiomyosarcoma. Radical resection may be superior to wide local excision in the prevention of local recurrence but not distant metastasis.

Adult↗
PubMed1997

Repeat hepatic resection as effective treatment of recurrent colorectal liver metastases.

BACKGROUND: Approximately 20-40% of patients who undergo liver resection for colorectal metastases develop recurrent disease confined to the liver. The goals of this study were to determine whether the survival benefit of repeat hepatic resection justified the potential morbidity and mortality. METHODS: A retrospective review was performed on all patients who underwent liver resection for colorectal cancer metastases between 1983 and 1995 (N = 202). Repeat liver resections were performed on 23 patients for recurrent metastases. RESULTS: There were no operative deaths in the 23 patients, and the postoperative morbidity rate was 22%. The 5-year actuarial survival rate after repeat resection was 32%, with a median length of survival of 39.9 months. There were three patients who survived for > 5 years after repeat resection. Sixteen patients (70%) developed recurrent disease at a median interval of 11 months after the second resection; 10 of these 16 patients (62%) had new hepatic metastases. No clinical or pathological factors were significant in predicting long-term survival. CONCLUSIONS: Repeat liver resection for recurrent colorectal metastases (a) can be performed safely with acceptable mortality and morbidity rates and (b) may result in long-term survival in some patients.

Adult↗
PubMed1990

Resective operations for biliary carcinoma.

Records of 25 consecutive patients who underwent resection for proximal bile duct tumor (3 extended right hepatic lobectomies, 6 left hepatic lobectomies, 16 skeletonization resections) and records of 21 patients who underwent pancreatoduodenectomy for distal bile duct carcinoma were reviewed to assess the value of resective therapy. The operative mortality rate for patients with resected proximal bile duct tumor was 4 per cent (0 per cent for liver resection) and that of distal bile duct tumor, 4.6 per cent. The 3- and 5-year actuarial survival rates for patients with proximal bile duct tumor were 44 per cent and 35 per cent, respectively; all except one patient eventually died of disease. Survival was better for patients who had curative resection (margins microscopically free of tumor). The 5-year actuarial survival rate for patients with distal bile duct carcinoma was 58 +/- 12 (SE) per cent, with patients who had negative nodes surviving longer than patients with positive nodes. When major hepatic resection and pancreatoduodenectomy can be performed in selected patients with low operative mortality, patients with bile duct carcinoma should be assessed by an experienced hepatobiliary multidisciplinary group before a decision is made in favor of palliative, endoscopic, or percutaneous techniques because surgical resection appears to offer the best possible long-term survival and probably the best quality of palliation.

Actuarial Analysis↗
PubMed1983

The resectional reoperation rate for Crohn's disease in a general community hospital.

The severity of Crohn's disease has not been objectively estimated for patients treated at community hospitals. During an 11-year period, 105 patients underwent initial intestinal resection for Crohn's disease at a large community hospital. Follow-up data were actuarially analyzed. The overall resectional reoperation rate was 4.0 per cent per year the first seven years after initial resection and 1.9 per cent per year for the next ten years. Patients with small-bowel disease had a better prognosis than did patients with ileocolic disease. Patients who were less than 30 years of age at initial resection needed a second resection more often than did older patients. The 81 patients with initial resection after 1970 have had the lowest resectional reoperation rate yet reported: 2.8 per cent per year for ten years. The resectional reoperation rate for patients with Crohn's disease treated at this community hospital compares favorably with reoperation rates reported for patients at referral centers.

Adolescent↗
PubMed1999

Indications and operative techniques for combined aortoesophageal resection.

Combined aortoesophageal resection was performed in 8 patients, including 7 with esophageal carcinoma and 1 with aortoesophageal fistula. Aortic resection procedures included segmental resection with permanent aorto-aortic bypass (1 case), segmental resection with graft interposition (1 case), semicircumferential resection with patch aortoplasty (3 cases), wedge resection with lateral aortorrhaphy (1 case), and resection of adventitia (2 cases). Protective methods during aortic cross-clamping included one aorto-aortic permanent bypass, one subclavian-aortic bypass, and three axillo-femoral bypass. Postoperative complications include mediastinal abscess, paresis, arrythmia, and pneumonia. Five patients with esophageal carcinoma died within 6 postoperative months. In 4 of these 5 nonsurvivors, metastasis to distant organs including the liver, bone and peritoneal cavity were found at the time of death or autopsy. Those early recurrence cases were characterized by skip lesions and extensive lymph node metastasis with extranodal invasion. The clinical benefit of aortoesophageal resection will be attained by careful preoperative evaluation for case selection and a sufficient protective method for aortic cross-clamping.

Aged↗
PubMed1999

Extended resection for lung cancer invading mediastinal organs.

We analyzed 49 patients with non-small-cell lung cancer invading mediastinal organs such as the left atrium (15), superior vena cava (13), trachea (11), aorta (5), thoracic vertebral body (4) and esophagus (1). Lung resection included lobectomy (37), pneumonectomy (8) and limited resection (4). Twenty-seven patients underwent carina- or bronchoplasty. Complete resection was possible in 35 patients. Operative mortality was 12% and overall 5-year survival was 13%. Median survival time was 519 days. Factors significantly affecting survival were the completeness of resection, node status, and histological type. Five-year survival was 18% with complete resection and 0% with incomplete resection (p < 0.0001). Five-year survival for patients with squamous cell carcinoma was 36% and for those with other types of lung cancer, 0% (p < 0.02). Five-year survival for patients classified pathologically as N0 or N1 was 36% and, for those classified as N2 or N3, 0% (p < 0.05). We concluded that aggressive resection for lung cancer invading the mediastinal organs involves a high mortality rate, making selectivity important. Patients undergoing complete resection, classified as N0 or N1, and having squamouse cell carcinoma may benefit most from surgery.

Adult↗