Lars Lundell

Management of acute cholecystitis in the laparoscopic era: Results of a prospective, randomized clinical trial

The aim of this prospective, randomized study was to determine whether laparoscopic cholecystectomy should be performed as an early or a delayed operation in patients with acute cholecystitis. After diagnostic workup, patients were randomized to one of two groups: (1) early laparoscopic cholecystectomy (i.e., within 7 days after onset of symptoms) or (2) initial conservative treatment followed by delayed laparoscopic cholecystectomy 6 to 8 weeks later. Seventy-four patients were placed in the early-operation group, and 71 patients were assigned to the delayed-operation strategy. There was no significant difference in conversion rates (early 31% vs. delayed 29%), operating times (early 98 [range 30 to 355] minutes vs. delayed 100 [45 to 280] minutes), or complications. Failure with the conservative treatment strategy was noted in 26% of these patients. The total hospital stay was significantly shorter in the early group (5 [range 3 to 63] days) vs. the delayed group (8 [range 4 to 50] days; P < 0.05). Despite a high conversion rate, early laparoscopic cholecystectomy offered significant advantages in the management of acute cholecystitis compared to a conservative strategy. The greatest advantage was a reduced total hospital stay.

Randomized clinical trial of open versus laparoscopic cholecystectomy in the treatment of acute cholecystitis.

The aim of this prospective trial was to determine whether surgical approach (open versus laparoscopic) had an impact on morbidity and postoperative recovery after cholecystectomy for acute cholecystitis.

Long term consequences of gastrectomy for patients' 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.

Tailoring antireflux surgery: A randomized clinical trial.

Abstract. A hypothesis has been formulated that mandates the adjustment of antireflux surgery to either a total or a partial wrap depending on the motor function of the esophagus to avoid dysphagia and other obstructive complaints. This hypothesis has been tested in a randomized, clinical trial where 106 chronic gastroesophageal reflux patients were allocated to either a total Nissen-Rossetti (n= 53) or a Toupet partial posterior (n= 53) fundoplication, irrespective of their preoperative esophageal motor function. All patients were followed at least 3 years, during which time none had a relapse of moderate to severe reflux symptoms. Motor dysfunctions defined as peristaltic amplitude ≤ 30 mmHg in the distal third and failed primary peristalsis with or without > 20% simultaneous contractions were noted in 67 patients preoperatively, but these patients did not have a specific symptom profile (e.g., dominated by obstructive symptoms) nor did seven patients with “aperistaltic esophagus.” The incidence of dysphagia decreased from 20% preoperatively to 8% (mild) at 3 years after the operation with no difference between the surgical procedures. We were unable to demonstrate a relation between preoperative manometric findings and postoperative symptoms when assessed in the total group or when subdivided by the type of fundoplication (r < 0.3). Flatulence occurred more frequently among those with a total fundic wrap (p < 0.01). When patients representing motor dysfunction (see above) were specifically analyzed, we again observed no difference in outcome between those having a total or a partial fundic wrap. In conclusion, the concept of tailoring antireflux surgery based on the preoperative motor function of the esophagus in patients with chronic gastroesophageal reflux disease was not supported by the results of this clinical trial.

Quality of Life after Gastrectomy for Gastric Carcinoma: Controlled Study of Reconstructive Procedures

Abstract. 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 curativengastric cancer surgery were randomized to have either a totaln(n= 31) or subtotal (n= 13)ngastrectomy or a jejunal S-shaped pouch (n= 20) implanted as a gastric substitute. The quality-of-life evaluationnwas based on a battery of questionnaires covering both general andnspecific aspects of life. The patients were rated by one of twonpsychiatrists who were blinded to the patients’ group affiliation.nAssessments were made on three occasions: during the week prior tonsurgery and 3 and 12 months after the surgical intervention. Thenpostoperative complication and mortality rates were similar in allntreatment groups, with few serious complications recorded. Irrespectivenof type of treatment, the patients suffered from alimentary symptomsnand functional limitations in everyday life, whereas their mentalnwell-being improved after surgery. Patients who underwent subtotalngastrectomy had the best outcome, especially with respect to complaintsnof diarrhea. Patients given a gastric substitute after gastrectomynshowed no difference from those who had only a total gastrectomy. Wenconclude that despite significant unfavorable consequences that followngastrectomy, patients recover with an improved mental status. A pouchnreconstruction after total gastrectomy does not improve quality ofnlife, but a subtotal gastrectomy has advantages that must be considerednwhen the procedure is clinically feasible.

Long-term efficacy of total (Nissen-Rossetti) and posterior partial (Toupet) fundoplication: Results of a randomized clinical trial

The efficacy of fundoplication operations in the long-term management of gastroesophageal reflux disease (GERD) has been documented. However, only a few prospective controlled series support the longterm (>10 years) efficacy of these procedures, and further data are required to also determine whether the type of fundoplication affects the frequency of postfundoplication complaints. The aim of this study was to conduct a randomized, controlled clinical trial to assess the long-term symptomatic outcome of a partial posterior fundoplication as compared to a total fundic wrap. During the years 1983 to 1991, a total of 13 7 patients with chronic gastroesophageal reflux disease were enrolled in the study; 72 were randomized to semifundoplication (Toupet) and 65 to total fundoplication (Nissen-Rossetti). A standardized symptom questionnaire was used for follow-up of these patients. A total of 110 patients completed a median follow-up of 11.5 years; 54 had a total wrap and 56 underwent a partial posterior fundoplication. During this period, seven patients required reoperation (Nissen-Rossetti in 5 and Toupet in 2), 11 patients died, and nine patients were lost to follow-up or did not comply with the follow-up program. Control of heartburn (no symptoms or mild, intermittent symptoms) was achieved in 88% and 92% in the total and partial fundoplication groups, respectively, and the corresponding figures for control of acid regurgitation were 90% and 94%. We observed no difference in dysphagia scoring between the two groups, although odynophagia was somewhat more frequently reported in those undergoing a total fundoplication. On the other hand, a significant difference was observed in the prevalence of rectal flatus and postprandial fullness, which were recorded significantly more often in those undergoing a total fundoplication (P < 0.001 and P < 0.03, respectively). Posterior partial fundoplication seems to maintain the same high level of reflux control as total fundoplication. Earlier observations demonstrating the advantages of a partial fundoplication, which included fewer complaints associated with gas-bloat, continue to be valid after more than 10 years of follow-up.

Baclofen-mediated gastro-oesophageal acid reflux control in patients with established reflux disease

To explore the effect of baclofen on oesophageal acid exposure in patients with gastro‐oesophageal reflux disease.

Changes in Body Composition after Gastrectomy: Results of a Controlled, Prospective Clinical Trial

Abstract. To elucidate mechanisms involved in weight development after gastrectomy we have prospectively determined changes in body composition during the first year after similar operations. A total of 75 patients were enrolled who had a “curative operation” for gastric carcinoma; 42 were randomized to have a total gastrectomy, 23 total gastrectomy with a gastric substitute, and 10 subtotal gastrectomy. All reconstructions were done with a Roux-en-Y loop of the jejunum. Body composition was assessed preoperatively and at 6 and 12 months after gastrectomy by determining total body potassium and total body water. From these estimates, body cell mass, extracellular water, fat-free extracellular solids, and body fat were calculated with knowledge of the actual body weight and length. Triceps skinfold, arm muscle circumference, and grip strength were also measured. Weight loss (10% of preoperative weight) occurred early after the operations, after which body weight stabilized. Body cell mass remained essentially unchanged over the entire study period in contrast to body fat, which decreased by 40% during the first 6 months after gastrectomy. In accordance with the selective loss of body fat, we recorded a significant decrease in triceps skinfold figures and only a minor decrease of arm muscle circumference without obvious deterioration in hand grip strength. Weight loss after gastrectomy seems to be characterized by selective loss of body fat in contrast to other known clinical situations associated with impaired nutritional intake. Our observations form a basis for future clinical research aimed at preventing weight loss after these operations.

Impact of complete gastric fundus mobilization on outcome after laparoscopic total fundoplication

With the objective of further optimizing the outcome of antireflux surgery, we have studied the importance of dividing the short gastric vessels when performing a laparoscopic total fundoplication. Ninetynine consecutive patients with chronic gastroesophageal reflux disease (GERD) were enrolled in the trial. Forty-seven patients (25 men, age 52 ±1.6 years [mean ± standard error]) were randomized to undergo a laparoscopic Nissen-Rossetti total fundic wrap with intact short gastric vessels, whereas 52 patients (29 men, 48 ±1.4 years) had complete division of these vessels. Quality of life was assessed by means of the psychological general well-being and gastrointestinal symptom rating scale indices. The 6- and 12-month follow-up data are reported. Two patients were converted to open surgery. Mobilization of the fundus significantly prolonged the operative time (120 vs. 104 minutes, P = 0.05); otherwise the complication rates were similar in the two groups. Both procedures were equally effective in controlling gastroesophageal reflux at 6 and 12 months’ postoperatively. Division of the short gastric vessels had no significant impact on the point prevalence of postfundoplication complaints at the given follow-up time points. Quality of life was significantly improved by both operative procedures and remained “normal” throughout the followup period. Dividing all short gastric vessels had no impact on the functional outcome during the first year of recovery after a total laparoscopic fundoplication.

Supportive nutrition on recovery of metabolism, nutritional state, health-related quality of life, and exercise capacity after major surgery: a randomized study.

BACKGROUND & AIMSnThe aim of this study was to investigate whether specialized supportive enteral and parenteral feeding have superior effects compared to oral nutrition on recovery during long-term postoperative treatment of cancer patients with preoperative weight loss and reduced maximum exercise capacity.nnnMETHODSnOne hundred twenty-six patients referred for resection of the esophagus (n = 48), stomach (n = 28), or pancreas (n = 50) were considered to be included before operation. Included patients (n = 80) received supportive enteral or parenteral nutrition postoperatively at home corresponding to 1000 kcal/d until the patients did not wish to continue with artificial nutrition for any reason. Patients randomized to oral nutrition only served as control subjects. Caloric intake, body composition (dual-energy x-ray absorptiometry), and respiratory gas exchanges at rest and during exercise were measured including health-related quality of life.nnnRESULTSnSurvival and hospital stay did not differ among the groups, whereas overall complications were higher on artificial nutrition (P < .05). Changes in resting energy expenditure and biochemical tests did not differ during follow-up among the groups. Body weight and whole body fat declined similarly over time in all groups (P < .005), whereas lean body mass was unchanged during follow-up compared to preoperative values. Maximum exercise capacity and maximum oxygen consumption were normalized within 6 months postoperatively in all groups. There was no difference in recovery of food intake among the groups. Parenteral feeding was associated with the highest rate of nutrition-related complications, whereas enteral feeding reduced quality of life most extensively.nnnCONCLUSIONnAfter major surgery, specialized supportive enteral and parenteral nutrition are not superior to oral nutrition only when guided by a dietitian.