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1.
Langenbecks Arch Surg ; 408(1): 202, 2023 May 20.
Article in English | MEDLINE | ID: mdl-37209306

ABSTRACT

PURPOSE: Postoperative wound complications are common in patients undergoing resection of lower extremity soft tissue tumors. Postoperative drainage therapy ensures adequate wound healing but may delay or complicate it. The aim of this study is to evaluate the incidence of postoperative wound complications and delayed or prolonged drainage treatment and to propose a standardized definition and severity grading of complex postoperative courses. METHODS: A monocentric retrospective analysis of 80 patients who had undergone primary resection of lower extremity soft tissue tumors was performed. A new classification was developed, which takes into account postoperative drainage characteristics and wound complications. Based on this classification, risk factors and the prognostic value of daily drainage volumes were evaluated. RESULTS: According to this new definition, regular postoperative course grade 0 (no wound complication and timely drainage removal) occurred in 26 patients (32.5%), grade A (minor wound complications or delayed drainage removal) in 12 (15.0%), grade B (major wound complication or prolonged drainage therapy) in 31 (38.8%), and grade C (reoperation) in 11 (13.7%) patients. Tumor-specific characteristics, such as tumor size (p = 0.0004), proximal tumor location (p = 0.0484), and tumor depth (p = 0.0138) were identified as risk factors for complex postoperative courses (grades B and C). Drainage volume on postoperative day 4 was a suitable predictor for complex courses (cutoff of 70 ml/d). CONCLUSION: The proposed definition incorporates wound complications and drainage management while also being clinically relevant and easy to apply. It may serve as a standardized endpoint for assessing the postoperative course after resection of lower extremity soft tissue tumors.


Subject(s)
Sarcoma , Soft Tissue Neoplasms , Humans , Retrospective Studies , Radiotherapy, Adjuvant/adverse effects , Sarcoma/pathology , Postoperative Complications/epidemiology , Postoperative Complications/etiology , Postoperative Complications/therapy , Lower Extremity/surgery , Soft Tissue Neoplasms/surgery , Soft Tissue Neoplasms/pathology , Drainage/adverse effects
2.
Int J Colorectal Dis ; 36(2): 413-417, 2021 Feb.
Article in English | MEDLINE | ID: mdl-33048240

ABSTRACT

PURPOSE: This study investigates whether contrast enema (CE) and flexible endoscopy (FE) should be performed routinely after low anterior resection (LAR) before ileostomy reversal. Additionally, the impact of previous anastomotic leakage (AL) on diagnostic test accuracy (DTA) was assessed. METHODS: This is a retrospective analysis of prospectively collected tertiary care data of two centers. Consecutive rectal cancer patients undergoing LAR with loop ileostomy formation were included. Before ileostomy reversal, all patients were assessed by CE and FE. DTA of FE and CE for asymptomatic AL in patients who had previously suffered from clinically relevant AL (group 1) compared with those without apparent AL after LAR (group 0) were assessed separately. RESULTS: Two hundred ninety-three patients were included in the analysis, 86 in group 1 and 207 in group 0. Overall sensitivity for detection of asymptomatic AL was 76% (FE) and 60% (CE). Specificity was 100% for both tests. DTA of FE was equal or superior to CE in all subgroups. Prevalence of asymptomatic AL at the time of testing was 1.4% in group 0 and 25.6% in group 1. CONCLUSION: Flexible endoscopy is the more accurate diagnostic test for the detection of asymptomatic anastomotic leaks prior to ileostomy reversal. Contrast enema showed no gain of information. In the group without complications after the initial rectal resection, 104 must be tested to find one leak prior to reversal. In those patients, routine diagnostic testing additional to digital rectal examination may be questioned.


Subject(s)
Ileostomy , Rectal Neoplasms , Anastomosis, Surgical/adverse effects , Anastomotic Leak/diagnosis , Anastomotic Leak/etiology , Contrast Media , Endoscopy , Enema , Humans , Ileostomy/adverse effects , Retrospective Studies
3.
Colorectal Dis ; 22(4): 445-451, 2020 04.
Article in English | MEDLINE | ID: mdl-31652025

ABSTRACT

AIM: Because damage to the rectus abdominis muscle during ileostomy placement and reversal might be a risk factor for the development of stoma-site incisional hernia (SSIH), we hypothesized that positioning of the stoma lateral to the rectus abdominis muscle might prevent SSIH. METHOD: To investigate whether a lateral pararectal stoma position lowers the incidence of SSIH in comparison with a transrectal position, a follow-up study of the PATRASTOM trial, which had randomized stoma placement (lateral pararectal versus transrectal), was conducted. All former participants were invited simultaneously for a follow-up visit in September 2016, 2 years after database closure of the PATRASTOM trial. For patients who were not able to attend the follow-up, the electronic chart as well as MRI/CT scans were reviewed with regard to the presence of SSIH. RESULTS: Follow-up - either clinical or radiological - was available for 47 of the 60 PATRASTOM participants. The median duration of follow-up was 3.4 years (interquartile range 3.0-4.1 years). SSIH occurred in 3 of 23 patients (13.0%) in the lateral pararectal group compared with 7 of 24 patients (29.2%) in the transrectal group (P = 0.287). Four of the 10 patients diagnosed with SSIH had already undergone or were scheduled for hernia repair. Of the patient and procedure characteristics which may have an impact on the development of incisional hernia none was a significant risk factor for SSIH. CONCLUSION: In the present follow-up study, no difference in the incidence of SSIH was found between lateral pararectal and transrectal stoma construction in an elective setting.


Subject(s)
Incisional Hernia , Surgical Stomas , Colostomy , Follow-Up Studies , Herniorrhaphy , Humans , Ileostomy/adverse effects , Incisional Hernia/etiology , Incisional Hernia/prevention & control , Surgical Mesh
4.
Allergy ; 73(2): 442-450, 2018 02.
Article in English | MEDLINE | ID: mdl-28795768

ABSTRACT

BACKGROUND: Hereditary angioedema (HAE) with normal C1-INH (HAEnCI) may be linked to specific mutations in the coagulation factor 12 (FXII) gene (HAE-FXII) or functional mutations in other genes that are still unknown. We sought to identify and characterize a hitherto unknown type of HAE with normal C1-INH and without mutation in the F12 gene. METHODS: The study comprised analysis of whole-exome sequencing, Sanger sequencing, and clinical data of patients. RESULTS: We detected a mutation in the plasminogen (PLG) gene in patients with HAEnCI. The mutation c.988A>G was located in exon 9 leading to the missense mutation p.Lys330Glu (K330E) in the kringle 3 domain of the PLG protein. The mutation was identified by next-generation sequencing in 14 patients with HAEnCI belonging to 4 of 7 families. Family studies revealed that this type of HAE was transmitted as an autosomal dominant trait. The PLG gene mutation was present in all studied symptomatic patients and was also found in 9 of 38 index patients from 38 further families with HAEnCI. Most patients had swelling of face/lips (78.3%) and tongue (78.3%). A total of 331 of all 3.795 tongue swellings (8.7%) were associated with dyspnea, voice changes, and imminent asphyxiation. Two women died by asphyxiation due to a tongue swelling. CONCLUSIONS: Hereditary angioedema with a mutation in the PLG gene is a novel type of HAE. It is associated with a high risk of tongue swellings.


Subject(s)
Angioedemas, Hereditary/genetics , Mutation/genetics , Plasminogen/genetics , Adolescent , Adult , Aged , Child , Child, Preschool , Female , Germany , Humans , Male , Middle Aged , Mutation, Missense/genetics , Exome Sequencing/methods , Young Adult
5.
Int J Colorectal Dis ; 33(11): 1643-1646, 2018 Nov.
Article in English | MEDLINE | ID: mdl-30032453

ABSTRACT

PURPOSE: Ileal pouch prolapse is a rare complication after j-pouch formation with an incidence of about 0.3%. However, if a pouch prolapse occurs, it can be a debilitating complication for the patient. Full-thickness pouch prolapse usually warrants surgical repair as reported by Sagar and Pemberton (Br J Surg 99(4):454-468, 2012) and Sherman et al. (Inflamm Bowel Dis 20(9):1678-1685, 2014). This report presents our first experience with laparoscopic ventral pouch pexy with acellular dermal matrix (ADM). METHODS: With the patient in the French position, four trocars were positioned: a camera port at the level of the umbilicus, two 5-mm trocars in the right lower quadrant, and a third 5-mm trocar in the left lower quadrant. The j-pouch was mobilized ventrally and laterally to the level of the sphincter. A 4 × 16-cm piece of ADM (EPIFLEX®, POLYTECH Health & Aesthetics, Dieburg, Germany) was sutured to the levators on both sides and to the ventral pouch directly cranial of the sphincter. In the next step, the ADM was attached to the promontory. Subsequently, further sutures were placed to attach the pouch to the ADM. Finally, the ADM was sewn to the cranial vaginal pole. RESULTS: Operating time was 249 min. The postoperative course was uneventful except for a higher stool frequency which could be managed conservatively. The patient was discharged on POD 9. At the latest follow-up (12 months after surgery), the patient was still symptom free without any sign of recurrence. CONCLUSIONS: Laparoscopic ventral pouch pexy with ADM performed by a surgeon experienced in laparoscopic pouch surgery is a safe and effective treatment option in patients with pouch prolapse.


Subject(s)
Acellular Dermis , Colonic Pouches/adverse effects , Laparoscopy , Proctocolectomy, Restorative/adverse effects , Humans , Prolapse
6.
Allergy ; 72(2): 320-324, 2017 Feb.
Article in English | MEDLINE | ID: mdl-27905115

ABSTRACT

Hereditary angioedema with normal C1 esterase inhibitor and mutations in the F12 gene (HAE-FXII) is associated with skin swellings, abdominal pain attacks, and the risk of asphyxiation due to upper airway obstruction. It occurs nearly exclusively in women. We report our experience treating HAE-FXII with discontinuation of potential trigger factors and drug therapies. The study included 72 patients with HAE-FXII. Potential triggers included estrogen-containing oral contraceptives (eOC), hormonal replacement therapy, or angiotensin-converting enzyme inhibitors. Drug treatment comprised plasma-derived C1 inhibitor (pdC1-INH) for acute swelling attacks and progestins, tranexamic acid, and danazol for the prevention of attacks. Discontinuation of eOC was effective in 25 (89.3%) of 28 women and led to a reduction in the number of attacks (about 90%). After ending hormonal replacement therapy, three of eight women became symptom-free. Three women with exacerbation of HAE-FXII during intake of quinapril or enalapril had no further HAE-FXII attacks after discontinuation of those drugs. Eleven women were treated with pdC1-INH for 143 facial attacks. The duration of the treated facial attacks (mean: 26.6 h; SD: 10.1 h) was significantly shorter than that of the previous 88 untreated facial attacks in the same women (mean: 64.1 h; SD: 28.0 h; P < 0.01). The mean reduction in attack frequency was 99.8% under progestins after discontinuing eOC (16 women), 93.8% under tranexamic acid (four women), and 100% under danazol (three women). For patients with HAE-FXII, various treatment options are available which completely or at least partially reduce the number or duration of attacks.


Subject(s)
Complement C1 Inhibitor Protein/therapeutic use , Hereditary Angioedema Type III/drug therapy , Adolescent , Adult , Aged , Angiotensin-Converting Enzyme Inhibitors/adverse effects , Biomarkers , Chemoprevention , Child , Disease Progression , Estrogens/adverse effects , Factor XII/genetics , Female , Hereditary Angioedema Type III/blood , Hereditary Angioedema Type III/diagnosis , Hereditary Angioedema Type III/genetics , Humans , Male , Middle Aged , Mutation , Risk Factors , Treatment Outcome , Young Adult
7.
Int J Colorectal Dis ; 32(8): 1171-1177, 2017 Aug.
Article in English | MEDLINE | ID: mdl-28389778

ABSTRACT

BACKGROUND: If a primary anastomosis is considered too risky after emergency colon resection either a resection enterostomy or an end stoma with closure of the distal bowel (Hartmann's procedure) is possible. This study analyzes the rate of restoration of intestinal continuity and other surgical outcomes after resection enterostomy placement versus Hartmann's procedure for emergency colon resections. METHODS: All patients who underwent emergency colorectal resections between August 2009 and June 2014 at the University Medical Center Mannheim were reviewed in regard to therapeutic approach, rate of restoration of bowel continuity, and surgical morbidity after the primary operation and after reversal surgery. RESULTS: Fifty-five patients in whom both studied interventions would have been technically feasible were further analyzed. The rate of revisional surgery was significantly higher in the resection enterostomy cohort after the primary operation. There were no significant differences regarding morbidity, mortality, and the rate of restoration of intestinal continuity. Overall, bowel continuity could be restored in 63% (29/46) of the surviving patients. The median time of surgery of the initial as well as of the reversal surgery was significantly longer in the Hartmann's group. Five of 13 patients underwent protective ileostomy placement in the Hartmann's group at the time of the reversal (vs. none in the resection enterostomy group). CONCLUSIONS: The bowel continuity can be restored in the majority of patients after emergency colonic resection. Conclusive evidence which surgical option should be preferred when a primary anastomosis is considered too risky-Hartmann's procedure or resection enterostomy-is still lacking.


Subject(s)
Colon/surgery , Colostomy/methods , Adult , Aged , Aged, 80 and over , Female , Humans , Male , Middle Aged , Treatment Outcome
8.
Int J Colorectal Dis ; 32(10): 1439-1446, 2017 Oct.
Article in English | MEDLINE | ID: mdl-28823064

ABSTRACT

PURPOSE: This study investigated the association of preoperative hypoalbuminemia and postoperative complications after elective resection for rectal cancer. METHODS: From September 2009 to December 2014, all patients who underwent elective rectal resection for adenocarcinoma of the rectum were identified using a prospective colorectal cancer database. Hypoalbuminemia was defined as a serum albumin < 35 g/L. Characteristics and outcomes of hypoalbuminemic patients were compared to those of patients with normal albumin levels. Potential risk factors for postoperative major morbidity, defined as Clavien-Dindo ≥ grade 3, were analyzed by both univariate and multivariate analyses. RESULTS: Three hundred seventy patients met the inclusion criteria. Hypoalbuminemic patients (67/370 (18%)) were significantly older and had more advanced tumor stages and more comorbidities (more ASA III, higher percentage of diabetics). Furthermore, they were more likely to undergo abdominoperineal resection instead of low anterior resection and less likely to be operated laparoscopically. On univariate analysis, a higher BMI, advanced tumor stages, diabetes, open procedures, pre- and postoperative hypoalbuminemia, a higher decrease in albumin (∆ preop-postop), and conversion were significantly associated with postoperative high-grade morbidity. On multivariate analysis, diabetes, advanced tumor stages, a higher decrease in the albumin level, as well as preoperative hypoalbuminemia turned out to be independent risk factors for postoperative high-grade morbidity. CONCLUSIONS: Hypoalbuminemia is an independent risk factor for postoperative high-grade morbidity. As a low-cost and easy accessible test, serum albumin should be used as a prognostic tool to detect patients at risk for adverse outcomes after resection for rectal cancer.


Subject(s)
Adenocarcinoma/complications , Adenocarcinoma/surgery , Hypoalbuminemia/complications , Postoperative Complications/etiology , Rectal Neoplasms/complications , Rectal Neoplasms/surgery , Adult , Aged , Aged, 80 and over , Diabetes Complications/complications , Elective Surgical Procedures/adverse effects , Humans , Laparoscopy , Middle Aged , Neoplasm Staging , Preoperative Period , Rectal Neoplasms/pathology , Risk Factors , Serum Albumin/metabolism
9.
Int J Colorectal Dis ; 31(6): 1197-203, 2016 Jun.
Article in English | MEDLINE | ID: mdl-27033699

ABSTRACT

PURPOSE: Chemoradiotherapy is the standard treatment for squamous cell anal cancer. Salvage abdominoperineal resection (APR) is usually reserved for patients presenting with recurrent or persistent disease. Aim of our study was to review the outcomes of salvage surgery and perineal wound healing with or without a vertical rectus abdominis myocutaneous (VRAM) flap in a single institution over a 6-year period. METHODS: Data of all patients with biopsy-proven squamous cell anal cancer treated with chemoradiation at the University Medical Center Mannheim were recorded prospectively. Medical records of all patients who underwent salvage surgery for anal carcinoma between June 2008 and June 2014 were reviewed with regard to surgical and oncological outcomes. RESULTS: One hundred twenty-four patients received chemoradiation with a 5-year overall survival of 79 %. Seventeen patients required (salvage) APR for recurrent (n = 8), persistent (n = 7), or primary anal carcinoma (n = 2). Median overall survival was 33.4 months. Median duration until completion of perineal wound healing was shorter in the VRAM group (17 vs. 24.5 weeks; p = 0.0541). CONCLUSIONS: Salvage APR has a reasonable chance of long-time survival. Perineal reconstruction with a VRAM flap may reduce the duration until completion of perineal wound healing.


Subject(s)
Abdomen/surgery , Anus Neoplasms/pathology , Anus Neoplasms/surgery , Neoplasm Recurrence, Local/surgery , Perineum/pathology , Perineum/surgery , Wound Healing , Adult , Aged , Female , Humans , Male , Middle Aged , Neoplasm Recurrence, Local/pathology , Postoperative Care , Postoperative Complications/etiology , Salvage Therapy , Treatment Outcome
10.
Colorectal Dis ; 18(2): O81-90, 2016 Feb.
Article in English | MEDLINE | ID: mdl-26713666

ABSTRACT

AIM: Transrectal stoma placement is considered the standard technique for positioning a stoma. A prospective series using a novel method of lateral pararectal stoma placement recently revealed a remarkably low stoma herniation rate. A randomized trial was conducted to compare the lateral pararectal with the transrectal stoma position with regard to parastomal herniation, stoma-related morbidity and quality of life. METHOD: Adult patients undergoing elective placement of a temporary loop ileostomy were eligible for inclusion. Patients were intra-operatively randomized to undergo either a lateral pararectal or a transrectal ileostomy. The primary end-point was the rate of parastomal herniation. Secondary end-points included other stoma-related complications and quality of life. Sample size calculation resulted in 54 patients having to be analysed to detect a difference of parastomal herniation of 30% with an 80% power and a 5% significance level. The trial was registered with the German Clinical Trials Register (registration number DRKS00003534). RESULTS: Between April 2012 and April 2014, 30 patients were randomized to each group. The incidence of parastomal herniation did not differ between the lateral pararectal (5 of 27) and the transrectal group (4 of 29; P = 0.725). There was also no significant difference regarding other stoma-related complications and the EORTC quality of life scales C30 and CR29. CONCLUSION: The incidence of parastomal herniation and other stoma-related complications did not differ between the groups. However, due to the limited sample size a small difference in favour of one of the two stoma placement techniques cannot be entirely ruled out.


Subject(s)
Ileostomy/methods , Incisional Hernia/epidemiology , Rectus Abdominis/surgery , Surgical Stomas/adverse effects , Adult , Aged , Female , Humans , Ileostomy/adverse effects , Incidence , Incisional Hernia/etiology , Male , Middle Aged , Pilot Projects , Prospective Studies , Quality of Life , Rectum/surgery , Young Adult
11.
Allergy ; 70(8): 1004-12, 2015 Aug.
Article in English | MEDLINE | ID: mdl-25952149

ABSTRACT

BACKGROUND: Hereditary angioedema with normal C1-INH may be linked to specific mutations in the coagulation factor 12 (FXII) gene (HAE-FXII) or mutations in genes that are still unknown (HAE-unknown). To assess the differences in transmission and inheritance, clinical features, and laboratory parameters between patients with HAE-FXII and HAE-unknown. METHODS: Sixty-nine patients with HAE-FXII from 23 unrelated families and 196 patients with HAE-unknown from 65 unrelated families were studied. RESULTS: Both HAE-FXII and HAE-unknown are inherited as autosomal-dominant traits with incomplete penetrance. The male to female ratio was 1 : 68 in HAE-FXII and 1 : 6.3 in HAE-unknown. The maternal to paternal transmission ratio was 35 : 14 for HAE-FXII and 109 : 12 for HAE-unknown. Mean age at onset of clinical symptoms was 20.3 years in patients with HAE-FXII and 29.6 years in patients with HAE-unknown. The incidence of asphyxiation due to angioedema was similar for HAE-FXII and HAE-unknown. Oral contraceptives and pregnancies had a significantly higher impact on HAE-FXII than on HAE-unknown. Slightly decreased C1-INH activity and C4 concentration were observed in more patients with HAE-FXII than HAE-unknown. Tests for FXI and FXII activity, plasminogen activator inhibitor 1, and activated partial thromboplastin time showed variability but no significant differences between the groups. No abnormalities were found for C1-INH protein, C1q, alpha2-macroglobulin, antithrombin III, and angiotensin-converting enzyme. In families with HAE-FXII, the number of female offspring with F12 mutations was significantly increased and that of male offspring was significantly decreased. CONCLUSIONS: HAE-FXII and HAE-unknown differ in various respects, including gender distribution, genetics, symptoms, and estrogen impact.


Subject(s)
Angioedemas, Hereditary/epidemiology , Angioedemas, Hereditary/genetics , Complement C1 Inhibitor Protein/genetics , Factor XII/genetics , Mutation , Adult , Age Distribution , Age of Onset , Angioedemas, Hereditary/diagnosis , Cohort Studies , Databases, Factual , Female , Humans , Incidence , Male , Middle Aged , Pedigree , Phenotype , Prognosis , Recombinant Proteins/genetics , Retrospective Studies , Severity of Illness Index , Sex Distribution , Young Adult
12.
Ann Oncol ; 25(2): 307-15, 2014 Feb.
Article in English | MEDLINE | ID: mdl-24256847

ABSTRACT

BACKGROUND: Our previous systematic review of geriatric assessment (GA) in oncology included a literature search up to November 2010. However, the quickly evolving field warranted an update. Aims of this review: (i) provide an overview of all GA instruments developed and/or in use in the oncology setting; (ii) evaluate effectiveness of GA in predicting/modifying outcomes (e.g. treatment decision impact, treatment toxicity, mortality, use of care). MATERIALS AND METHODS: Systematic review of literature published between November 2010 and 10 August 2012. English, Dutch, French and German-language articles reporting cross-sectional or longitudinal, intervention or observational studies of GA instruments were included. DATA SOURCES: MEDLINE, EMBASE, PsycINFO, CINAHL and Cochrane Library. Two researchers independently reviewed abstracts, abstracted data and assessed the quality using standardized forms. A meta-analysis method of combining proportions was used for the outcome impact of GA on treatment modification with studies included in this update combined with those included in our previous systematic review on the use of GA. RESULTS: Thirty-five manuscripts reporting 34 studies were identified. Quality of most studies was moderate to good. Eighteen studies were prospective, 11 cross-sectional and 5 retrospective. Three studies examined treatment decision-making impact and found decisions changed for fewer than half of assessed patients (weighted percent modification is 23.2% with 95% confidence interval (20.3% to 26.1%). Seven studies reported conflicting findings regarding predictive ability of GA for treatment toxicity/complications. Eleven studies examined GA predictions of mortality, and reported that instrumental activities of daily living, poor performance status and more numerous GA deficits were associated with increased mortality risk. Other outcomes could not be meta-analyzed. CONCLUSION: Consistent with our previous review, several domains of GA are associated with adverse outcomes. However, further research examining effectiveness of GA on treatment decisions and oncologic outcomes is needed.


Subject(s)
Geriatric Assessment , Neoplasms/diagnosis , Activities of Daily Living , Aged , Cross-Sectional Studies , Humans , Neoplasms/mortality , Neoplasms/therapy , Prospective Studies , Quality Assurance, Health Care , Retrospective Studies , Treatment Outcome
14.
Int J Colorectal Dis ; 28(7): 1019-26, 2013 Jul.
Article in English | MEDLINE | ID: mdl-23371335

ABSTRACT

PURPOSE: There is ample evidence of the benefits of clinical pathways (CPs), but this study is the first to investigate the potential additional benefits of a CP for rectal resections in a setting with an already established policy of enhanced postoperative recovery. METHODS: We compared 36 patients who underwent rectal resections with ileostomy placement and were treated according to a CP (CP group) with 67 patients treated before CP implementation (prepathway group). Indicators of process quality were placement of central venous line and epidural catheter, day of removal of Foley catheter in relation to removal of the epidural catheter, day of first mobilization, day of resumption of regular diet, day of first passage of stool through the stoma, and length of stay. Outcome quality was assessed by morbidity, mortality, reoperation, and readmission rates. RESULTS: We found that patients in the CP group resumed regular diet significantly sooner (p = 0.001). There were no significant differences regarding the day of first mobilization (p = 0.69), epidural catheter (p = 0.74), central venous line placement (p = 0.92), and removal of Foley catheter (p = 0.23). The first stool was passed through the stoma earlier (p = 0.04) in the prepathway group. Median length of hospital stay was significantly shorter in the CP group (12.5 vs. 15.0 days; p = 0.008). There were no significant changes in outcome quality, except for a significantly higher need for revisional surgery in the CP group (13.9 vs. 3%, p = 0.05). CONCLUSIONS: After implementation of a CP for rectal resections, one parameter of process quality improved and length of stay decreased.


Subject(s)
Critical Pathways , Perioperative Care/standards , Quality of Health Care/standards , Rectum/surgery , Female , Humans , Male , Middle Aged , Rectum/pathology , Reference Standards , Treatment Outcome
15.
Article in German | MEDLINE | ID: mdl-23467849

ABSTRACT

Within the scope of an aging population, the topic age, work and health becomes more and more important. So far, research in occupational epidemiology utilizes various primary or secondary data sources. However, data linkage has rarely been used as an instrument in this field. The study presented here combines two large databases within a so-called "age-work matrix", stratified by sex, age group and occupational group. This matrix is based on the German classification of occupations and uses its occupation codes as a key variable. The first database is the representative BIBB/BAuA employment survey for employees of all occupations in Germany 2005/06. The second database consists in sickness absence data of the insurees of a German statutory health insurance fund. Using the matrix approach, the study investigates associations of reported subjectively perceived psychosocial work strains and health impairments provided by health insurance claims data. These claims data offer sickness absence data as an indicator for health impairments. Usability of sickness absence data for studies in occupational epidemiology, their methodological challenges and the solutions realized in this study are discussed.


Subject(s)
Data Interpretation, Statistical , Employment/statistics & numerical data , Epidemiologic Methods , Medical Record Linkage/methods , Occupational Diseases/epidemiology , Sick Leave/statistics & numerical data , Age Distribution , Germany/epidemiology , Humans , Sex Distribution
18.
Z Gastroenterol ; 49(7): 820-6, 2011 Jul.
Article in German | MEDLINE | ID: mdl-21766260

ABSTRACT

BACKGROUND: Patients with ulcerative colitis experience various impairments. The pharmacological treatment of the disease comprises 5-aminosalicylic acid, corticosteroids as well as immunomodulatory and biological agents. Little self-reported data exist on the prescription of these drugs. METHODS: This cross-sectional study was conducted in 2005 as a postal survey in different regions of Germany [Kiel/Lübeck, Halle (Saale), Minden, Regensburg]. Patients with ulcerative colitis (UC) were recruited from specialised gastroenterological practices, university outpatient clinics, and the member registry of a prominent patient organisation (DCCV). Participants returned a questionnaire including established items and scales on physical and psychosocial well-being as well as the self-reported current medication. RESULTS: A total of 444 patients with ulcerative colitis returned the questionnaires. Most of the participants were female, had a high level of school education and were currently employed. Twenty-eight percent of the participants reported to receive corticosteroids and 71 % reported a current treatment with 5-aminosalicylic acid. Approximately one quarter of our study population reported a treatment with immunomodulatory agents. Analgesics were reported to be prescribed only in 15 % of the patients, primarily in patients with depressive symptoms. Patients recruited from specialised gastroenterological practices and university outpatient clinics were more likely to report the prescription of 5-aminosalicylic acid and immunomodulatory drugs than members of the patient organisation. Only 7 % of our patients received loperamide, however, probiotics (12 %) and complementary agents (36 %) seem to have an important role with regard to prevalence of intake. About 40 % of women but only 28 % of the men reported to use complementary agents. Persons with a duration of illness of less than 11 years (median split) were almost twice as likely to take corticosteroids than persons with a longer duration of ulcerative colitis. DISCUSSION: Our results suggest an estimation of prescription rates in ulcerative colitis. However, they raise new questions, for example, concerning a potential underuse of immunomodulatory agents in this patient population. With regard to the identified differences in prescription rates according to psychosocial characteristics further studies are needed to examine these relationships.


Subject(s)
Adrenal Cortex Hormones/therapeutic use , Anti-Inflammatory Agents/therapeutic use , Colitis, Ulcerative/drug therapy , Colitis, Ulcerative/epidemiology , Immunologic Factors/therapeutic use , Mesalamine/therapeutic use , Prescriptions/statistics & numerical data , Adolescent , Adult , Aged , Biological Products/therapeutic use , Female , Germany/epidemiology , Humans , Male , Middle Aged , Prevalence , Young Adult
19.
Gesundheitswesen ; 73(12): 888-92, 2011 Dec.
Article in German | MEDLINE | ID: mdl-22193898

ABSTRACT

Causal graphs such as directed acyclic graphs (DAGs) are a novel approach in epidemiology to conceptualize confounding and other sources of bias. DAGs visually encode the causal relations based on a priori knowledge among the exposure of interest and the outcome while considering several covariates. The application of formal rules on these diagrams enables the identification of the causal and non-causal structures in the DAG. The causal effects are of interest and require no adjustment. Whereas the non-causal effects have to be checked for confounding and for which covariates adjustment is necessary. The identification of the adjustment set depends on the causal relations among the variables. The consideration of these relations is valuable because adjusting for more variables increases the risk of introducing bias. Considering every single path of a DAG allows the systematic identification of the causal structures in the DAG, and the determination of minimally sufficient adjustment sets for estimating the causal effect of the exposure on the outcome based on the underlying DAG. The aim of this paper is to provide an introduction to the basic assumptions as well as the steps for drawing and applying a DAG.


Subject(s)
Algorithms , Biometry/methods , Causality , Computer Graphics , Data Interpretation, Statistical , Epidemiologic Methods
20.
Z Gastroenterol ; 48(3): 381-91, 2010 Mar.
Article in German | MEDLINE | ID: mdl-20221992

ABSTRACT

BACKGROUND: Patients with inflammatory bowel diseases (IBD) experience various bodily and psychosocial impairments. We report data from a recent German questionnaire survey. METHODS: The cross-sectional study was conducted in 2005 as a postal survey in three regions in West (Kiel and Luebeck, Regensburg) and East (Halle/Saale) Germany. Patients with Crohn's disease and ulcerative colitis (CD, UC) were recruited from specialized gastroenterological practices, university outpatient clinics, and the registry of a prominent patient organization (DCCV). The questionnaire followed the concept and distinctions of WHO's ICF and incorporated (inter-)nationally established items and scales (i. a. HADS). RESULTS: Survey responders (n = 1083, CD: 58 %, 65 % female) had a mean age of 42 years with an average disease duration of 13 years. 25 % suffered severely or very severely from their disease in general, one third stated at least severe fatigue, and 52 % felt profoundly affected by stress. A clinically relevant anxiety was observed in 24 % with no relevant difference between males and females. Depression was more common in men (29 %) than in women (21 %). Restrictions in social participation (family life, work) were actually prominent in at least a quarter of the responders. CONCLUSIONS: Beside somatic ailments typical for the disease, patients also reported multiple psychosocial impairments and participation restrictions and should hence profit from a multi- and interdisciplinary team care.


Subject(s)
Fatigue/epidemiology , Fatigue/psychology , Inflammatory Bowel Diseases/epidemiology , Inflammatory Bowel Diseases/psychology , Stress, Psychological/epidemiology , Stress, Psychological/psychology , Adolescent , Adult , Age Distribution , Aged , Aged, 80 and over , Comorbidity , Data Collection , Female , Humans , Male , Middle Aged , Prevalence , Psychology , Risk Assessment/methods , Risk Factors , Sex Distribution , Young Adult
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