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1.
Chirurg ; 92(1): 40-48, 2021 Jan.
Article in German | MEDLINE | ID: mdl-32430544

ABSTRACT

BACKGROUND: Many studies showed that hospital and surgeon volume have a significant influence on the complication rates of thyroid surgery. The present study investigates whether this relationship applies in subtotal as well as total lobe resections. Furthermore, it is still unclear which threshold for the hospital-related case volume can be determined, above which the risk of complications lies below the current national average. MATERIAL AND METHODS: The study was based on nationwide routine data for persons insured with the Local General Sickness Fund (AOK) who had undergone thyroid surgery in 2014-2016. Permanent vocal cord palsy, bleeding and wound infection needing revision were recorded using indicators. The effect of the case volume on the indicators and the case number threshold was determined using logistic regression. RESULTS: Permanent vocal cord palsy was observed in 1.3% and bleeding or wound infections needing revision in 1.6% and 0.3% of the cases. Compared to hospitals with >450 surgeries per year, the risk of permanent vocal cord palsy in hospitals with fewer than 201, 101 and 51 surgeries was significantly increased (OR [95% CI]: 1.5 [1.1-2.1]; 1.5 [1.1-2.1]; 1.8 [1.3-2.5]). The threshold needed to achieve a risk for permanent vocal cord palsy below the national average (1.3%) was 265 thyroid surgeries per year (95% CI: 110-420). For bleeding or wound infection in need of revision, no association between volume and outcome was found. CONCLUSION: The present study showed that the risk of postoperative permanent vocal cord palsy decreased with increasing case volume. The broad confidence interval of the threshold makes clear case volume recommendation difficult. In order that the risk for a postoperative permanent vocal cord palsy is not likely above the national average, the annual case volume should reach 110 thyroid interventions.


Subject(s)
Thyroid Gland , Vocal Cord Paralysis , Germany , Humans , Postoperative Complications/epidemiology , Postoperative Complications/etiology , Thyroid Gland/surgery , Thyroidectomy , Vocal Cord Paralysis/epidemiology , Vocal Cord Paralysis/etiology
2.
Hernia ; 24(4): 747-757, 2020 08.
Article in English | MEDLINE | ID: mdl-31786700

ABSTRACT

INTRODUCTION: Inguinal hernias are repaired using either open or minimally invasive surgical techniques. For both types of surgery it has been demonstrated that a higher annual surgeon volume is associated with a lower risk of recurrence. This present study investigated the volume-outcome implications for recurrence operations, surgical complications, rate of chronic pain requiring treatment, and 30-day mortality based on the hospital volume. MATERIALS AND METHODS: The data basis used was the routine data collected throughout the Federal Republic of Germany for persons insured by the Local General Sickness Fund "AOK" who had undergone inpatient inguinal hernia repair between 2013 and 2015. Complications were recorded by means of indicators. Hospitals were divided into five groups on the basis of the annual caseload volume: 1-50, 51-75, 76-100, 101-125, and ≥ 126 inguinal hernia repairs per year. The effect of the hospital volume on the indicators was assessed using multiple logistic regression. RESULTS: 133,449 inguinal hernia repairs were included. The incidence for recurrence operations was 0.95%, for surgical complications 4.22%, for chronic pain requiring treatment 2.87%, and for the 30-day mortality 0.28%. Low volume hospitals (1-50 and 51-75 inguinal hernia repairs per year) showed a significantly increased recurrence risk compared to high volume hospitals with ≥ 126 inguinal hernia repairs per year (odds ratio: 1.53 and 1.24). No significant correlations were found for the other results. CONCLUSIONS: The study gives a detailed picture of hospital care for inguinal hernia repair in Germany. Furthermore, it was noted that the risk of hernia recurrence decreases in line with a rising caseload of the treating hospital.


Subject(s)
Hernia, Inguinal/surgery , Herniorrhaphy/statistics & numerical data , Hospitals, High-Volume/statistics & numerical data , Hospitals, Low-Volume/statistics & numerical data , Aged , Female , Germany , Humans , Male , Middle Aged , Recurrence , Surgeons , Treatment Outcome
3.
Chirurg ; 90(3): 223-230, 2019 Mar.
Article in German | MEDLINE | ID: mdl-30006744

ABSTRACT

BACKGROUND: This study investigated the frequency of postoperative speech therapy in the context of vocal cord palsy after thyroid surgery based on nationwide routine data. Additionally, volume-outcome relationships were examined. MATERIAL AND METHODS: Nationwide routine data from insured patients of the Local Health Insurance Fund (AOK) who underwent thyroid surgery for a benign thyroid disease between 2013 and 2015 were analyzed. Postoperative speech therapy was determined based on prescription data. Transient and permanent vocal cord palsy were determined using indicators. The effect of hospital volumes (volume quintiles) on prescription of postoperative speech therapy was determined by multivariate logistic regression. RESULTS: A total of 50,676 thyroid gland operations were identified. The overall frequency of postoperative speech therapy prescription was 6.5%. In AOK patients with transient or permanent vocal cord palsy, the frequencies of postoperative speech therapy prescription were 56.1% and 75.2%, respectively. The prescription volume of the normal case (≥21 units of speech therapy) was exceeded in 0.7% of the AOK patients. In the two lowest case volume categories the risk of postoperative speech therapy exceeding the prescription volume of the normal case was significantly higher compared to the highest case volume hospitals (odds ratios: 1.2 and 1.8, respectively). CONCLUSION: This study presents the reality of healthcare with respect to the frequency of speech therapy prescription after thyroid gland surgery in Germany. In addition, it was determined that the risk of postoperative speech therapy prescription exceeding the volume of the normal case after thyroid gland operations decreases with increasing case volumes of hospitals.


Subject(s)
Speech Therapy , Thyroid Diseases , Vocal Cord Paralysis , Germany , Humans , Postoperative Complications , Thyroid Diseases/surgery , Thyroidectomy
5.
Chirurg ; 88(1): 50-57, 2017 Jan.
Article in German | MEDLINE | ID: mdl-27510155

ABSTRACT

BACKGROUND: Routine data from hospitals in the public healthcare system allow the analysis of large patient datasets without generating additional documentation efforts for hospitals. This study reports the frequencies of postoperative complications after thyroid surgery based on routine nationwide data. Moreover, volume-outcome relationships were investigated. MATERIAL AND METHODS: Nationwide routine data from insured patients of the Local Health Insurance Fund (AOK) who underwent thyroid surgery between 2008 and 2010 were analyzed. Complications were determined based on indicators for permanent vocal cord palsy, re-bleeding with re-operations and wound infections with specific treatment. The effect of hospital volumes (volume quintiles) on the indicators was determined by multivariate logistic regression. RESULTS: A total of 66,902 thyroid gland operations were identified. The overall frequency of permanent vocal cord palsy was 1.5 %, re-bleeding 1.8 % and wound infections 0.4 %. In the four lowest case volume categories the risk of permanent vocal cord palsy was significantly higher compared to the highest case volume hospitals (odds ratio 1.5, 1.7, 1.7 and 2.2, respectively). CONCLUSION: This study represents the reality of healthcare for thyroid surgery in Germany. Additionally, it was determined that the risk for permanent vocal cord palsy after thyroid gland operations decreased with increasing case volumes of hospitals.


Subject(s)
Data Interpretation, Statistical , Hospitals, High-Volume/statistics & numerical data , Hospitals, Low-Volume/statistics & numerical data , Postoperative Complications/epidemiology , Postoperative Complications/etiology , Thyroid Diseases/epidemiology , Thyroid Diseases/surgery , Thyroidectomy/adverse effects , Thyroidectomy/statistics & numerical data , Adult , Aged , Female , Germany , Humans , Male , Middle Aged , Multivariate Analysis , Odds Ratio , Postoperative Hemorrhage/epidemiology , Postoperative Hemorrhage/etiology , Postoperative Hemorrhage/surgery , Reoperation/statistics & numerical data , Surgical Wound Infection/epidemiology , Surgical Wound Infection/etiology , Surgical Wound Infection/surgery , Vocal Cord Paralysis/epidemiology , Vocal Cord Paralysis/etiology , Vocal Cord Paralysis/surgery
6.
Prostate Cancer Prostatic Dis ; 19(4): 406-411, 2016 12.
Article in English | MEDLINE | ID: mdl-27502738

ABSTRACT

BACKGROUND: Little real-world data is available on the comparison of different methods in surgery for lower urinary tract symptoms due to benign prostatic obstruction in terms of complications. The objective was to evaluate the proportions of TURP, open prostatectomy (OP) and laser-based surgical approaches over time and to analyse the effect of approach on complication rates. METHODS: Using data of the German local healthcare funds (Allgemeine Ortskrankenkassen (AOK)), we identified 95 577 cases with a primary diagnosis of hyperplasia of prostate who received TURP, laser vaporisation (LVP), laser enucleation (LEP) of the prostate or OP between 2008 and 2013. Univariable logistic regression was used to analyse proportions of surgical approach over time, and the effect of surgical method on outcomes was analysed by means of multivariable logistic regression. RESULTS: The proportion of TURP decreased from 83.4% in 2008 to 78.7% in 2013 (P<0.001). Relative to TURP and adjusting for age, co-morbidities, AOK hospital volume, year of surgery and antithrombotic medication, OP had increased mortality (odds ratio (OR) 1.47, P<0.05), transfusions (OR 5.20, P<0.001) and adverse events (OR 2.17, P<0.001), and lower re-interventions for bleeding (OR 0.75, P<0.001) and long-term re-interventions (OR 0.55, P<0.001). LVP carried a lower risk of transfusions (OR 0.57, P<0.001) and re-interventions for bleeding (OR 0.76, P<0.001), but a higher risk of long-term re-interventions (OR 1.43, P<0.001). LEP had increased re-interventions for bleeding (OR 1.35, P<0.01). Complications were also dependent on age and co-morbidity. Limitations include the lack of clinical information and functional results. CONCLUSIONS: OP has the greatest risks of complication despite a low re-intervention rate. LVP demonstrated favourable results for transfusion and bleeding, but increased long-term re-interventions compared with TURP, while LEP showed increased re-interventions for bleeding. Findings support a careful indication and choice of method for surgery for LUTS, taking age and co-morbidities into account.


Subject(s)
Lower Urinary Tract Symptoms/mortality , Lower Urinary Tract Symptoms/surgery , Aged , Databases, Factual , Germany , Humans , Insurance, Health , Laser Therapy/methods , Male , Prostate/surgery , Prostatectomy/methods , Prostatic Hyperplasia/etiology , Prostatic Neoplasms/surgery , Transurethral Resection of Prostate/methods , Treatment Outcome
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