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PubMed2005

Subtotal or total gastrectomy for gastric cancer: impact of the surgical procedure on morbidity and prognosis--analysis of a 10-year experience.

BACKGROUND: Against the background of the continuing controversy as to the surgical procedure of choice for gastric cancer, the aim of the present study was to evaluate perioperative morbidity, prognostic factors of survival, and long-term survival after subtotal, abdominal and abdominothoracic gastrectomy in patients with gastric cancer. PATIENTS AND METHODS: Between January 1993 and December 2002, 338 consecutive patients underwent surgery for adenocarcinoma of the stomach. Subtotal gastrectomy was carried out in 80 (23.7%) patients; 240 (71.0%) patients had abdominal gastrectomy, and 18 (5.3%) underwent abdominothoracic gastrectomy. RESULTS: At an overall 30-day mortality of 3.6% (hospital mortality, 5.2%), the total complication rate was 16.3%. The estimated 5-year survival rate was 43% in patients after subtotal gastrectomy, 39% in patients with abdominal gastrectomy, and 28% in patients with abdominothoracic gastrectomy after complete tumour clearance, without significant differences between the groups. Patients who underwent left pancreatectomy and had a higher ratio of metastatic/dissected lymph nodes were characterised by a significantly poorer prognosis. CONCLUSION: The lower morbidity and mortality rate with a nearly identical long-term survival yielded by subtotal gastrectomy compared with total gastrectomy leads us to justify subtotal gastrectomy, especially in elderly patients with comorbidity and a high operative risk, on the condition that its performance is radical from an oncological point of view.

Adenocarcinoma↗
PubMed2002

Subtotal gastrectomy for cancer located in the greater curvature of the middle stomach with prevention of the left gastric artery.

BACKGROUND: A novel distal subtotal gastrectomy was performed in 5 patients with macroscopically node-positive gastric cancer located in the greater curvature of the middle stomach. In these patients, total gastrectomy or standard distal subtotal gastrectomy has been typically performed. In these typical gastrectomies, the hepatic and the coeliac branches of the vagi are removed en bloc with the left gastric artery and the whole of the lesser omentum because the lymphatics along the left gastric artery are in the lower stream-regions of lymph flow from the cancer and metastases exist potentially. METHODS: During novel distal subtotal gastrectomy the activated carbon method confirmed that the lymphatics along the ascending branch of the left gastric artery were not in the lower stream-region of lymph flow from the cancer. Then, we preserved the hepatic and coeliac branches of the vagi as well as the ascending branch of the left gastric artery and the upper part of the lesser omentum. The other arteries feeding the stomach were removed with the surrounding lymphatics. In novel distal subtotal gastrectomy the remnant stomach was fed only by the ascending branch of the left gastric artery, while in standard distal subtotal gastrectomy the remnant stomach was fed by the short gastric arteries. CONCLUSIONS: Although further examinations are necessary, novel distal subtotal gastrectomy may have superior merit such as good function of gallbladder because of the preservation of the vagal nerve system, compared with total gastrectomy or standard distal subtotal gastrectomy.

Arteries↗
PubMed2001

Laparoscopic cholecystectomy and choledocholithotomy in patients with a previous gastrectomy.

BACKGROUND: An increased incidence of cholelithiasis has been widely reported after truncal vagotomy and after gastric resection. In the early phase of patient selection, previous gastrectomy has been considered a relative contraindication to laparoscopic cholecystectomy (LC). In this study, we examined the management of LC in patients with previous gastrectomy. STUDY DESIGN: LC was attempted on 1,260 consecutive patients. Of these patients, 29 had a previous gastrectomy. Surgical procedures that had been performed included Billroth I gastrectomies (15), Billroth II gastrectomies (10), and total gastrectomies (4). There were 23 cases of cholelithiasis, 4 chronic cholecystitis, 2 gallbladder polyps, I porcelain gallbladder, and I gallbladder cancer. Nine patients were diagnosed with stones in their common bile duct or common hepatic duct. RESULTS: Preoperatively, seven of nine patients with common bile duct stones were subjected to endoscopic sphincterotomy, and the stones were removed successfully from five of these patients. In the remaining two patients, common bile duct stones were removed by laparoscopic choledocholithotomy by choledochotomy. The LC was completed in 26 patients (90%) who had undergone previous gastrectomy. In 449 patients who had previous abdominal surgery without a gastrectomy, only 4 patients (0.9%) required open surgery. In contrast, three patients (10%) with previous gastrectomy required open surgery. No major complications were recorded in this study series, and no residual or retained stones were seen during a followup period of 3 months. CONCLUSIONS: Clear visualization of anatomic structures and landmarks, and scrupulous hemostasis are needed to perform a safe LC in these patients. We conclude that in our study patients, a previous gastrectomy is considered an indication for LC and laparoscopic choledochotomy.

Adult↗
PubMed2000

Carbon urea breath test is not as accurate as endoscopy to detect Helicobacter pylori after gastrectomy.

BACKGROUND: This study was conducted to determine (1) whether Helicobacter pylori infection decreases in conjunction with time elapsed after gastrectomy and (2) the diagnostic efficacy of (13)C urea breath test (UBT) for H pylori in patients after gastrectomy. METHODS: From January 1997 to June 1998, 86 patients who had undergone gastrectomy and 180 patients with dyspepsia without gastrectomy were enrolled. A UBT for the analysis of excess (13)CO(2)/(12)CO(2) ratio (ECR) was obtained for each patient. Each patient also underwent endoscopy to obtain gastric biopsies for histology and H pylori culture. The presence of H pylori by either histology or culture served as the standard to test the efficacy of UBT. The 86 patients with a prior gastrectomy were categorized into 3 subgroups (I, less than 1 year; II, 1 to 3 years; III, greater than 3 years), according to the interval between surgery and UBT. The initial H pylori status of these 86 patients was determined by histologic evaluation of the resected stomach. RESULTS: At trial initiation, the postgastrectomy group had a lower H pylori infection rate (52.3%) as compared with the dyspeptic control group (80%). The initial H pylori status among subgroups I, II, and III was similar. There was a trend for the presence of H pylori in the stomach to decrease with increasing time elapsed after surgery (I to III: 68.8%, 48.3%, 36%, respectively; p < 0.05). The maximum UBT sensitivity and specificity achieved were 82.2% and 87.8% in the gastrectomy group and 97.2% and 96.3% in the dyspeptic group, with cutoff points of 2.5 and 4.0, respectively. CONCLUSION: The prevalence of H pylori diminishes with time elapsed after gastrectomy. UBT for detection of H pylori is more effective in patients without prior gastrectomy than in patients who have undergone gastrectomy and is less effective than endoscopy for patients who have had a gastrectomy.

Biopsy↗
PubMed1984

Plasma cholecystokinin response to oral fat in patients with Billroth I and Billroth II gastrectomy.

The present study was undertaken to determine whether bypassing the duodenum in patients with Billroth II gastrectomy affects plasma cholecystokinin (CCK) release in response to ingestion of fat. Plasma CCK concentrations were measured by radioimmunoassay using two antibodies; antibody 1703 binds to all carboxyl-terminal CCK-peptides containing at least 14 amino acid residues, while antibody T204 is specific for the sulphated tyrosine region of CCK. There were no significant differences among fasting plasma CCK concentrations in seven patients with Billroth II gastrectomy (1.3 +/- 0.4 fmol/ml, antibody 1703; 2.6 +/- 0.4 fmol/ml, antibody T204), six patients with Billroth I gastrectomy (0.6 +/- 0.3 fmol/ml, antibody 1703; 2.9 +/- 0.5 fmol/ml, antibody T204), and nine normal subjects (0.7 +/- 0.1 fmol/ml, antibody 1703; 1.9 +/- 0.3 fmol/ml, antibody T204). Ingestion of 250 ml 20% Intralipid induced similar increases in plasma CCK in patients with Billroth II gastrectomy (11.2 +/- 2.0 fmol/ml, antibody 1703; 10.1 +/- 2.4 fmol/ml, antibody T204) as in patients with Billroth I gastrectomy (11.8 +/- 2.0 fmol/ml, antibody 1703; 8.4 +/- 1.1 fmol/ml, antibody T204). However, the increments in plasma CCK in patients with gastrectomy (11.5 +/- 1.4 fmol/ml, antibody 1703; 9.3 +/- 1.4 fmol/ml, antibody T204) were significantly (p less than 0.01) greater than those in normal subjects (4.7 +/- 0.8 fmol/ml, antibody 1703; 4.1 +/- 0.7 fmol/ml). Similarly, the integrated plasma CCK secretion in patients with Billroth II gastrectomy (510 +/- 58 fmol/ml X 120 min, antibody 1703; 458 +/- 69 fmol/ml X 120 min, antibody T204) and in patients with Billroth I gastrectomy (457 +/- 143 fmol/ml X 120 min, antibody 1703; 365 +/- 61 fmol/ml X 120 min, antibody T204) were significantly (p less than 0.05) greater than in normal subjects (230 +/- 49 fmol/ml X 120 min, antibody 1703; 162 +/- 24 fmol/ml X 120 min, antibody T204). It is concluded that the plasma CCK response to oral fat is significantly greater in patients with partial gastrectomy than in normal subjects, and that patients with Billroth I and Billroth II gastrectomy have similar increases in plasma CCK after ingestion of fat.

Administration, Oral↗
PubMed1999

Long term consequences of gastrectomy for patient's quality of life: the impact of reconstructive techniques.

OBJECTIVE: During recent years considerable interest has been focused on quality of life as an additional therapeutic outcome measure in the surgical treatment of gastric carcinoma. However, the long term consequences of gastrectomy and the impact on quality of life of different reconstructive techniques are still a matter of controversy. To broaden the criteria for choice of treatment, we conducted a prospective randomized clinical trial to determine the impact of various gastrectomy procedures on quality of life during a 5-yr follow-up period. METHODS: Consecutive patients (n = 64) eligible for curative gastric cancer surgery were randomized to have either total (n = 31) or subtotal (n = 13) gastrectomy or a jejunal S-shaped pouch (n = 20) as a gastric substitute after total gastrectomy. Assessments of quality of life were made on seven occasions during a 5-yr period: within 1 wk before surgery, 3 and 12 months after the surgical intervention, and then once/yr. All patients were interviewed by one of two psychiatrists, who rated their symptoms and introduced standardized self-report questionnaires covering both general and specific aspects of life. The raters were blinded for the patients' group affiliations. RESULTS: Survival rates were similar in all treatment groups. Patients who had a total gastrectomy continued to suffer from alimentary symptoms, especially indigestion and diarrhea, during the entire follow-up period. However, patients who underwent subtotal gastrectomy had a significantly better outcome already during the first postoperative yr. Patients given a gastric substitute after gastrectomy improved with the passage of time and had an even better outcome in the long run. CONCLUSIONS: To optimize the rehabilitation after gastrectomy, patients' quality of life must be taken into consideration. When subtotal gastrectomy is clinically feasible, this procedure has advantages in the early postoperative period. However, a pouch reconstruction after total gastrectomy should be considered in patients having a favorable tumor status suggesting a fair chance of long term survival.

Aged↗
PubMedDate not supplied

Postoperative evaluation of function-preserving gastrectomy for early gastric cancer.

BACKGROUND/AIMS: We evaluated the efficacy of the following three surgical options in gastrectomy for early gastric cancer; 1) reduction of the extent of gastrectomy, 2) preservation of the vagal nerve, and 3) preservation of the pylorus. METHODOLOGY: The postoperative physical conditions of patients who had undergone 6 kinds of operating methods incorporating elements 1), 2) and 3) were compared. The efficacy of elements 1) and 3) was evaluated by comparison among a 2/3 proximal gastrectomy group (2/3-PG group, n = 5), 4/5 proximal gastrectomy group (4/5-PG group, n = 7), and total gastrectomy group (TG group, n = 12). The efficacy of elements 1), 2) and 3) was also evaluated by comparison among a pylorus-preserving gastrectomy (PPG) group with preservation of the vagal nerve (PPGV group, n = 15), 2/3 distal gastrectomy group with preservation of the vagal nerve (2/3-DGV group, n = 12), and 4/5 distal gastrectomy group without preservation of the vagal nerve (4/5-DG group, n = 15). RESULTS: Body weight loss and the incidence of abdominal symptoms and anemia in the 2/3-PG group, PPGV or 2/3-DGV group were less frequent than in the TG group or 4/5-DG group. The increases in acetaminophen concentration in the 2/3-PG group, PPGV or 2/3-DGV groups, and the changes in blood sugar and insulin levels in the 2/3-PG or PPGV group were modest, while hypergastrinemia in the 2/3-PG group was remarkable. The insulinogenic index was high in the 2/3-DGV group, and the plasma cholecystokinin changes and contraction pattern of the gallbladder resembled their preoperative pattern in the PPGV and 2/3-DGV groups. These results indicated that the patients in the 2/3-PG group owed their benefits to elements 1) and 3), the 2/3-DGV group to elements 1) and 2), and the PPGV group to elements 1), 2) and 3). CONCLUSIONS: Three surgical options in gastrectomy procedures for early gastric cancer, 1) reduction of the extent of gastrectomy, 2) preservation of the vagal nerve, and 3) preservation of the pylorus, were individually confirmed to have benefits for better postoperative quality of life.

Aged↗
PubMed1992

Total versus subtotal gastrectomy in cancer of the distal stomach: facts and fantasy.

The purpose of this review is to analyse critically the pros and cons of 'en principle' total gastrectomy for cancers of the distal stomach. The theoretical advantages of total gastrectomy would be the guarantee of no infiltration of the margin of proximal transection owing to multicentric cancers or to a microscopical intramural spreading of tumoral cells beyond the macroscopically detectable boundaries of the lesion. However, these expectations are not substantiated since multicentric tumours are rare, a safe margin of resection can be achieved maintaining a proximal clearance of 6 cm from the cranial edge of the tumour. Moreover, recurrences confined to the gastric stump, after subtotal gastrectomy (and originally preventable with a total gastrectomy) are extremely rare according to literature. Furthermore, current experience suggests that the extent of lymph node dissection is not affected by the extent of the resection of the stomach. Analysis of the published series of patients undergoing an en principle total gastrectomy fails to demonstrate any advantage for long-term survival compared with patients treated by subtotal gastrectomy. A recent randomized trial comparing these two procedures is in keeping with the above-mentioned conclusions. It is true, however, that the gap in surgical mortality for total and subtotal gastrectomy tends to disappear when total gastrectomy is electively performed in patients with tumours of the distal stomach. So, whereas the long-term oncological results of the two surgical procedures seem to be similar, the main disadvantage of total gastrectomy is the onset of malnutrition, which is common, but incapacitating only in a few patients. This condition is likely to be of relevance should the patients be selected for aggressive postoperative adjuvant treatments which require good general status and nutritional integrity. The main disadvantage of subtotal gastrectomy is that the patients are exposed to the risk of a gastric stump cancer. However, this risk, owing to the advanced median age of the resected patients and the actual reconstructive procedures which minimize the biliary reflux, cannot be quantified. We think that when two surgical procedures are compared, if the oncological results are the same, the operation which is associated with least discomfort and impairment of the quality of life, should be chosen.

Gastrectomy↗
PubMed1995

Gastrointestinal motor activity after pylorus-preserving gastrectomy with or without vagotomy in dogs.

BACKGROUND: In the present study we evaluated gastrointestinal motility after gastrectomy of a new pylorus-preserving technique that is becoming a popular operation for early stage carcinoma of the stomach. STUDY DESIGN: Using strain-gauge force transducers we studied gastrointestinal motility in control dogs, dogs after pylorus-preserving gastrectomy, and dogs after conventional distal gastrectomy with Billroth I reconstruction. Dogs with gastrectomy were reoperated upon after recording motility patterns, and the effect of vagal denervation of the gastric remnant on motility was investigated. Overall motility pattern, length of the digestive phase in the jejunum, and interval of the interdigestive phase III contractions were studied and compared among the three groups. RESULTS: In dogs after gastrectomy without vagal denervation, the regular occurrence of interdigestive phase III contractions from the gastric remnant to the jejunum was identified. In dogs after gastrectomy with vagal denervation, however, no apparent interdigestive phase III contractions were observed in the gastric remnant. The duration of the digestive phase in the jejunum, which correlates with postprandial gastric emptying, was not different between the control dogs and the dogs having pylorus-preserving gastrectomy. However, this duration was significantly shorter in dogs having conventional distal gastrectomy compared with the control dogs, not only before but after vagal denervation. CONCLUSIONS: These results indicate that the postoperative motor function after pylorus-preserving gastrectomy may be superior to that after conventional distal gastrectomy with Billroth I reconstruction.

Animals↗
PubMed1991

Comparison of R1 and R2 gastrectomy for gastric cancer in patients over 80 years of age.

To evaluate the benefit of R2 gastrectomy for gastric cancer in Japanese patients over 80 years of age, data on 93 patients who underwent gastrectomy between 1967 and 1989 were collected retrospectively from charts filed in the Kyushu University Hospital and two affiliated national hospitals. Of 93 patients, 62 had a localized tumor without evidence of metastatic spread. These 62 patients were classified into two groups according to the procedures performed: 35 underwent R1 gastrectomy and 27, R2 gastrectomy. The clinical and pathological characteristics of the patients in the two groups were comparable at the time of surgery, except that the group who underwent R1 gastrectomy was older. R2 gastrectomy involved a significantly longer operation time (P less than 0.01) and greater intraoperative blood loss (P less than 0.05) when compared to R1 gastrectomy, but no patient undergoing this extensive surgery died. The difference in the morbidity rate between the two groups was not statistically significant. The 5-year survival rate was 55.8% in the R1 group and 65.4% in the R2 group. When gastric cancer invaded the serosa and/or secondary nodes, a substantial increase in survival time was gained with R2 gastrectomy when compared to an R1 operation. These findings suggest that an R2 gastrectomy is feasible, even for patients over 80 years, but is indicated mainly when the carcinoma had invaded the serosa and/or secondary nodes and the patients are at good risk for major surgery.

Aged↗
PubMed1997

The operative indications for proximal gastrectomy in patients with gastric cancer in the upper third of the stomach.

While proximal gastrectomy is often performed for early gastric cancer in Japan, it remains unclear whether or not proximal gastrectomy should be performed for advanced gastric cancer. This study was designed to determine the operative indications for proximal gastrectomy in patients with gastric cancer in the upper third of the stomach. A total of 1691 patients with gastric cancer were reviewed retrospectively from hospital records during the period from 1969 to 1994, and the clinicopathologic characteristics of 82 patients who underwent proximal gastrectomy were compared with those of 150 patients who underwent total gastrectomy. Lymph node metastasis along the lower part of the stomach was observed in gastric cancers which had invaded beyond the muscularis propria of the stomach, but not in those confined to the muscularis propria. Three patients with gastric cancer that had invaded beyond the muscularis propria and metastasized to nodes along the lower part of the stomach were cured by total gastrectomy. However, there was no difference in the postoperative survival rates of the patients treated with proximal gastrectomy and those treated with total gastrectomy, irrespective of tumor stage and depth of invasion. Thus, proximal gastrectomy should be performed for gastric cancer when the depth of invasion is confined to the muscularis propria of the stomach.

Aged↗
PubMed1997

Quality of life after gastrectomy for gastric carcinoma: controlled study of reconstructive procedures.

The choice of reconstruction after gastrectomy and the significance of remaining reservoir function is a matter of controversy. To broaden the criteria for choice of treatment, we conducted a prospective randomized clinical trial to determine the impact of various gastrectomy procedures on quality of life. Consecutive patients (n = 64) eligible for curative gastric cancer surgery were randomized to have either a total (n = 31) or subtotal (n = 13) gastrectomy or a jejunal S-shaped pouch (n = 20) implanted as a gastric substitute. The quality-of-life evaluation was based on a battery of questionnaires covering both general and specific aspects of life. The patients were rated by one of two psychiatrists who were blinded to the patients' group affiliation. Assessments were made on three occasions: during the week prior to surgery and 3 and 12 months after the surgical intervention. The postoperative complication and mortality rates were similar in all treatment groups, with few serious complications recorded. Irrespective of type of treatment, the patients suffered from alimentary symptoms and functional limitations in everyday life, whereas their mental well-being improved after surgery. Patients who underwent subtotal gastrectomy had the best outcome, especially with respect to complaints of diarrhea. Patients given a gastric substitute after gastrectomy showed no difference from those who had only a total gastrectomy. We conclude that despite significant unfavorable consequences that follow gastrectomy, patients recover with an improved mental status. A pouch reconstruction after total gastrectomy does not improve quality of life, but a subtotal gastrectomy has advantages that must be considered when the procedure is clinically feasible.

Adult↗
PubMed2002

D2 or not D2? The gastrectomy question.

BACKGROUND: The best reported long-term survival following surgery for gastric cancer is from centers performing radical D2 gastrectomy. Yet comparative studies from European centers report higher rates of postoperative complications following D2 gastrectomy than after the less radical D1 gastrectomy, without any benefit in survival. We aimed to compare the outcome after modified D2 gastrectomy (preserving spleen and pancreas where possible), performed by specialist surgeons, with that after conventional D1 gastrectomy performed by general surgeons for gastric cancer in a large United Kingdom cancer unit. METHODS: Two groups of patients were studied: a historical control group of 245 consecutive patients with gastric cancer, of whom 50 underwent a potentially curative D1 resection (median age, 69 years; 35 males) was compared with 200 consecutive patients, 72 of whom underwent a potentially curative D2 resection (median age, 71 years; 47 males). RESULTS: Among the 122 patients judged to have curable cancers, patients who underwent a D2 gastrectomy had lower operative mortality (8.3% vs 12%; chi(2) = 0.48; P = 0.50) and experienced fewer complications (28% vs 36%; chi(2) = 0.93; P = 0.35) than patients who underwent a D1 gastrectomy. Cumulative survival at 5 years was 56% after D2 resections, compared with 11% after D1 resections ( P < 0.00001). In a multivariate analysis, only the stage of disease (stage I, hazard ratio [HR], 0.068; P = 0.0001; stage II, HR, 0.165; P = 0.001; stage III, HR, 0.428; P = 0.053) and the level of lymphadenectomy (HR, 0.383; P = 0.00001) were independently associated with the duration of survival. CONCLUSION: Modified D2 gastrectomy without pancreatico-splenectomy, performed by specialist surgeons, can improve survival after R0 resections without increasing operative morbidity and mortality, when compared with D1 gastrectomy performed by general surgeons.

Aged↗
PubMed2004

Morbidity and mortality after D1 and D2 gastrectomy for cancer: interim analysis of the Italian Gastric Cancer Study Group (IGCSG) randomised surgical trial.

BACKGROUND: The disadvantages of D2 gastrectomy have been mostly related to splenopancreatectomy. Unlike two large European trials, we have recently showed the safety of D2 dissection with pancreas preservation in a one-arm phase I-II trial. This new randomised trial was set up to compare post-operative morbidity and mortality and survival after D1 and D2 gastrectomy among the same experienced centres that participated into the previous trial. METHODS: In a prospective multicenter randomised trial, D1 gastrectomy was compared to D2 gastrectomy. Central randomisation was performed following a staging laparotomy in 162 patients with potentially curable gastric cancer. FINDINGS: Of 162 patients randomised, 76 were allocated to D1 and 86 to D2 gastrectomy. The two groups were comparable for age, sex, site, TNM stage of tumours, and type of resection performed. The overall post-operative morbidity rate was 13.6%. Complications developed in 10.5% of patients after D1 and in 16.3% of patients after D2 gastrectomy. This difference was not statistically significant (p<0.29). Reoperation rate was 3.4% after D2 and 2.6% after D1 resection. Post-operative mortality rate was 0.6% (one death); it was 1.3% after D1 and 0% after D2 gastrectomy. INTERPRETATION: Our preliminary data confirm that in very experienced centres morbidity and mortality after extended gastrectomy can be as low as those showed by Japanese authors. They also suggest that D2 gastrectomies with pancreas preservation are not followed by significantly higher morbidity and mortality than D1 resections.

Adult↗
PubMed2004

Prospective comparison of D1 vs modified D2 gastrectomy for carcinoma.

To compare the outcomes after D1 gastrectomy with those after modified D2 gastrectomy (preserving pancreas and spleen) performed by specialist surgeons for gastric cancer in a large UK NHS Trust. In all, 118 consecutive patients with gastric adenocarcinoma were referred by postcode, to undergo either a D1 gastrectomy (North Gwent (RJ), n=36, median age 76 years, 21 m) or a modified D2 gastrectomy (South Gwent (WL), n=82, 70 years, 57 m). Operative mortality in the two groups of patients was similar (D1 8.3% vs D2 7.3%, chi2 0.286, DF 1, P=0.593). Overall cumulative survival at 5 years was 32% after D1 gastrectomy compared to 59% after D2 gastrectomy (chi2 4.25, DF 1, P=0.0392). In patients with stage III cancers, survival was 8% after D1, compared with 33% after D2 gastrectomy (chi2 6.43, DF 1, P=0.0112). In a multivariate analysis, T stage (hazard ratio 2.339, 95% CI 1.683-2.995, P=0.01), N stage (hazard ratio 4.026, 95% CI 3.536-4.516, P=0.0001) and the extent of lymphadenectomy (hazard ratio 0.258, 95% CI -0.426-0.942, P=0.0001) were independently associated with durations of survival. In conclusion, modified D2 gastrectomy can improve survival four-fold for patients with stage III gastric cancer, without significantly increasing morbidity and mortality when compared with a D1 gastrectomy.

Adenocarcinoma↗
PubMed1974

The influence of total gastrectomy on survival in malignant Zollinger-Ellison tumors.

The effect of total gastrectomy on the biologic behavior of malignant gastrinomas was studied from patient data collected in the ZE tumor registry. A total of 267 patients with documented metastatic tumor had definitive gastric operations. In the 137 patients who had total gastrectomy, survival was 75% at one year, 55% at five years and 42% at ten years. In the 130 patients who had lesser gastric operations, survival was 51% at one year, 27% at five years and 18% at ten years. Deaths from progressive tumor growth occurred in 17% of the patients at risk after total gastrectomy and 30% of the patients at risk after lesser gastric operations. A subgroup of 127 patients with documented liver metastasis had definitive gastric operations. Seventythree patients with liver metastasis had total gastrectomy with survival of 68% at one year, 42% at five years and 30% at ten years. Fifty-four patients with liver metastasis had lesser gastric operations with survival of 44% at one year, 7% at five years and none at ten years. Deaths from progressive tumor growth occurred in 25% of the patients at risk after total gastrectomy and 50% of the patients at risk after lesser gastric operations. Regression of metastatic ZE tumor was clearly documented in only four patients; all had total gastrectomy. Presumptive regression of primary tumor occurred in seven patients, five had total gastrectomy. The study clearly demonstrated that total gastrectomy was the procedure of choice for malignant ZE tumors, even in the presence of widespread metastasis. The results provided indirect evidence to support a gastric feedback effect which influences growth of gastrinomas; however, the results also show that total gastrectomy furnished neither predictable nor permanent protection from subsequent tumor growth and metastasis.

Adolescent↗
PubMed1997

Total versus subtotal gastrectomy: surgical morbidity and mortality rates in a multicenter Italian randomized trial. The Italian Gastrointestinal Tumor Study Group.

OBJECTIVE: The purpose of this study was to analyze postoperative morbidity and mortality of patients included in a randomized trial comparing total versus subtotal gastrectomy for gastric cancer. SUMMARY BACKGROUND DATA: There is controversy as to whether the optimal surgery for gastric cancer in the distal half of the stomach is subtotal or total gastrectomy. Although only a randomized trial can resolve this oncologic dilemma, the first step is to demonstrate whether the two procedures are penalized by different postoperative morbidity and mortality rates. METHODS: A total of 624 patients with cancer in the distal half of the stomach were randomized to subtotal gastrectomy (320) or total gastrectomy (304), both associated with a second-level lymphadenectomy, in a multicenter trial aimed at assessing the oncologic outcome after the two procedures. The end points considered were the occurrence of a postoperative event, complication, or death and length of postoperative stay. RESULTS: Nonfatal complications and death occurred in 9% and 1% of subtotal gastrectomy patients and in 13% and 2% of total gastrectomy patients, respectively. Multivariate analysis of postoperative events showed that splenectomy or resection of adjacent organs was associated with a twofold risk of postoperative complications. Random surgery and extension of surgery influenced the length of stay. The mean length of stay, adjusted for extension of surgery, was 13.8 days for subtotal gastrectomy and 15.4 days for total gastrectomy. CONCLUSIONS: Our data show that subtotal and total gastrectomies, with second-level lymphadenectomy, performed as an elective procedure have a similar postoperative complication rate and surgical outcome. A conclusive long-term evaluation of the two operations and an accurate estimate of the oncologic impact of surgery on long-term survival, not penalized by excess surgical risk of one of the two operations, are consequently feasible.

Aged↗
PubMed2006

Esophageal cancer after distal gastrectomy.

The effect of gastrectomy on the subsequent development of esophageal cancer was investigated. Duodenogastroesophageal reflux is thought to be common in patients after distal gastrectomy, but whether this contributes to the development of esophageal cancer in such patients is controversial. We retrospectively evaluated 153 patients who underwent subtotal esophagectomy for thoracic esophageal cancer between January 2002 and July 2005. They were divided into two groups, according to whether or not they had previously undergone a gastrectomy: group 1, comprising 14 patients who had undergone gastrectomy and group 2, comprising 139 patients who had not. Clinical profiles of the patients were obtained from the medical records and the whole resected esophagus was histopathologically examined. The interval between gastrectomy and esophagectomy in group 1 was significantly shorter in the patients who had undergone gastrectomy for gastric cancer (10.5 +/- 4.2 years) than in those who had undergone gastrectomy for a peptic ulcer (28.9 +/- 3.0 years). The interval was also somehow shorter in the patients for whom anastomosis had been performed by Billroth I (21.3 +/- 5.6 years) compared with Billroth II (29.7 +/- 3.2 years), although the difference did not reach its statistical significance (P = 0.11). Moreover, the proportion of lower third tumors in patients after gastrectomy was significantly higher compared with that of the patients with intact stomach. These findings suggest that a history of gastrectomy is associated with more lower-third squamous cell esophageal carcinoma.

Adenocarcinoma↗