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Niebuhr H, Köckerling F, Fortelny R, Hoffmann H, Conze J, Holzheimer RG, Koch A, Köhler G, Krones C, Kukleta J, Kuthe A, Lammers B, Lorenz R, Mayer F, Pöllath M, Reinpold W, Schwab R, Stechemesser B, Weyhe D, Wiese M, Zarras K, Meyer HJ. [Inguinal hernia operations-Always outpatient?]. CHIRURGIE (HEIDELBERG, GERMANY) 2023; 94:230-236. [PMID: 36786812 PMCID: PMC9950173 DOI: 10.1007/s00104-023-01818-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Accepted: 01/17/2023] [Indexed: 06/17/2023]
Abstract
Inguinal hernia operations represent the most frequent operations overall with 300,000 interventions annually in Germany, Austria and Switzerland (DACH region). Despite the announced political willingness and the increasing pressure from the legislator to avoid costly inpatient treatment by carrying out as many outpatient operations as possible, outpatient treatment has so far played a subordinate role in the DACH region. The Boards of the specialist societies the German Hernia Society (DHG), the Surgical Working Group Hernia (CAH of the DHG), the Austrian Hernia Society (ÖHG) and the Swiss Working Group Hernia Surgery (SAHC) make inroads into this problem, describe the initial position and assess the current situation.
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Affiliation(s)
- H Niebuhr
- Hamburger Hernien Centrum, Eppendorfer Baum 8, 20249, Hamburg, Deutschland.
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2
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Meißler S, Braun-Dullaeus R, Hansen M, Meyer F. [What the (general and abdominal) surgeon should know about thrombosis prophylaxis]. Chirurg 2022; 93:676-686. [PMID: 35147727 PMCID: PMC9246816 DOI: 10.1007/s00104-021-01568-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/18/2021] [Indexed: 01/19/2023]
Abstract
A persisting problem in the clinical operative routine is surgery-associated venous thromboembolisms with the possible complications. The competent and reliably realized prophylaxis of thromboembolism is part of the original and elementary tasks of the surgeon, both the operator as well as the clinically active physician. Many preventive approaches were developed and established in the daily management but a residual risk for development of thrombosis still remains. Under this aspect a search was carried out particularly with respect to scientific literature with review and guideline character on the topic of risk stratification, prophylactic procedures in general and for specific indications.
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Affiliation(s)
- Saskia Meißler
- Klinik für Kardiologie und Angiologie, Universitätsklinikum Magdeburg A.ö.R., Magdeburg, Deutschland
| | - Rüdiger Braun-Dullaeus
- Klinik für Kardiologie und Angiologie, Universitätsklinikum Magdeburg A.ö.R., Magdeburg, Deutschland
| | - Michael Hansen
- Klinik für Kardiologie und Angiologie, Universitätsklinikum Magdeburg A.ö.R., Magdeburg, Deutschland
| | - Frank Meyer
- Klinik für Allgemein‑, Viszeral‑, Gefäß- und Transplantationschirurgie, Universitätsklinikum Magdeburg A.ö.R., Magdeburg, Deutschland.
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Altiok E, Almalla M. Bridging unter Antikoagulation und Thrombozytenaggregationshemmung. PHLEBOLOGIE 2022. [DOI: 10.1055/a-1679-0677] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
AbtractWhen bridging anticoagulation, the risk of bleeding - compared to the thromboembolic risk - is often underestimated. Bridging is only indicated in case of high (and possibly moderate) thromboembolic risk. When bridging patients with indication for dual antiplatelet therapy, an interdisciplinary case discussion should take place to assess the risk.
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Abstract
Purpose Radiosynoviorthesis (RSO) using the intraarticular application of beta-particle emitting radiocolloids has for decades been used for the local treatment of inflammatory joint diseases. The injected radiopharmaceuticals are phagocytized by the superficial macrophages of the synovial membrane, resulting in sclerosis and fibrosis of the formerly inflamed tissue, finally leading to reduced joint effusion and alleviation of joint pain. Methods The European Association of Nuclear Medicine (EANM) has written and approved these guidelines in tight collaboration with an international team of clinical experts, including rheumatologists. Besides clinical and procedural aspects, different national legislative issues, dosimetric considerations, possible complications, and side effects are addressed. Conclusion These guidelines will assist nuclear medicine physicians in performing radiosynoviorthesis. Since there are differences regarding the radiopharmaceuticals approved for RSO and the official indications between several European countries, this guideline can only give a framework that must be adopted individually.
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Altiok E, Marx N. Oral Anticoagulation. DEUTSCHES ARZTEBLATT INTERNATIONAL 2019; 115:776-783. [PMID: 30602410 DOI: 10.3238/arztebl.2018.0776] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/27/2018] [Revised: 03/27/2018] [Accepted: 07/22/2018] [Indexed: 01/06/2023]
Abstract
BACKGROUND Much new evidence on oral anticoagulation has come to light in recent years. Non-vitamin-K-dependent oral anti- coagulants (NOAC) have been developed and have been introduced into clinical practice. In this review, we present the current state of the evidence on anticoagulation for various indications with vitamin K antagonists (VKA) and with NOAC. METHODS This review is based on pertinent articles retrieved by a selective search in PubMed (search terms: anticoagulation, atrial fibrillation, prosthetic valve, thrombosis, pulmonary embolism) and on specialty society recommendations and relevant guidelines from the years 2000-2018. RESULTS The main indications for oral anticoagulation are atrial fibrillation, venous thromboembolism, and status post heart valve replacement. In patients with atrial fibrillation and without valvular heart disease, anticoagulation is recommended for men with a CHA2DS2-VASc score ≥ 1 and for women with a score ≥ 2. NOAC for this indication are associated with a marginally lower rate of stroke than VKA (3.5% vs. 3.8%, number needed to treat [NNT] = 333) as well as a lower rate of major hemorrhage (5.1% vs. 6.2%, NNT = 91). NOAC are contraindicated for patients with mechanical heart valves. Anticoagulation with VKA can be predictably antagonized. Among the various types of NOAC, the anticoagulant effect of dabigatran can be safely antagonized with an antidote; no specific antidote is yet available for apixaban, rivaroxaban, or edoxaban. CONCLUSION The evidence base for anticoagulation over a time frame of several years is inadequate at present, and direct comparative data for the different types of NOAC are not yet available.
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Affiliation(s)
- Ertunc Altiok
- Department of Cardiology, Angiology and Intensive Care Medicine (Department of Internal Medicine I), University Hospital Aachen, RWTH Aachen University, Aachen, Germany
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Raggio BS, Barton BM, Kandil E, Friedlander PL. Association of Continued Preoperative Aspirin Use and Bleeding Complications in Patients Undergoing Thyroid Surgery. JAMA Otolaryngol Head Neck Surg 2019; 144:335-341. [PMID: 29494736 DOI: 10.1001/jamaoto.2017.3262] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Importance No evidence exists to direct the management of preoperative aspirin (acetylsalicylic acid) use in patients undergoing thyroid surgery. Nevertheless, a considerable number of patients interrupt receiving aspirin therapy during the preoperative period to minimize bleeding complications despite the increased risk of experiencing major adverse cardiac events. Objective To determine whether aspirin therapy continued preoperatively increases bleeding complications in patients undergoing thyroid surgery. Design, Setting, and Participants Retrospective analysis of a consecutive sample of 570 patients, aged 18 to 100 years, who underwent thyroid surgery for benign and malignant disease from January 1, 2010, to December 31, 2015, by a single surgeon at a tertiary referral hospital center in New Orleans, Louisiana. Exposures Patients receiving aspirin therapy and patients not receiving aspirin therapy (aspirin naive) preoperatively. Main Outcomes and Measures Comparison of estimated blood loss, substantial blood loss, operative hematoma, nonoperative hematoma, and recurrent laryngeal nerve injury. Results Of 570 patients who underwent thyroid surgery, 106 (18.6%) were performed in patients receiving aspirin; of these, 23 (21.7%) were men and 105 (99.1%) were older than 45 years. Those receiving aspirin therapy displayed a 14.4-year difference in age (95% CI, 11.6-17.1). The aspirin group displayed a 20.3% absolute increase (95% CI, 9.3-30.7) in African American patients. Aspirin therapy was not associated with a statistically significant or clinically meaningful increase in intraoperative blood loss (2.5 mL; 95% CI, -0.4 to 5.3). Aspirin therapy was associated with a statistically significant increase in total hematoma formation (3.3%; 95% CI, 0.4-9.0), but the results were inconclusive. Aspirin therapy was not associated with a statistically significant increase in recurrent laryngeal nerve injury (2.6%; 95% CI, -1.1 to 8.6), but the results were inconclusive. Conclusions and Relevance These results suggest that aspirin therapy can be maintained prior to thyroid surgery without increased intraoperative bleeding. Further research with a larger sample size and more outcome events are required to make definitive conclusions regarding the association between aspirin use and complications, including hematoma and recurrent laryngeal nerve injury.
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Affiliation(s)
- Blake S Raggio
- Department of Otolaryngology, Tulane University Medical Center, New Orleans, Louisiana
| | - Blair M Barton
- Department of Otolaryngology, Tulane University Medical Center, New Orleans, Louisiana
| | - Emad Kandil
- Department of Otolaryngology, Tulane University Medical Center, New Orleans, Louisiana
| | - Paul L Friedlander
- Department of Otolaryngology, Tulane University Medical Center, New Orleans, Louisiana
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Wagner J, Lock JF, Kastner C, Klein I, Krajinovic K, Löb S, Germer CT, Wiegering A. Perioperative management of anticoagulant therapy. Innov Surg Sci 2019; 4:144-151. [PMID: 33977124 PMCID: PMC8059348 DOI: 10.1515/iss-2019-0004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2019] [Accepted: 06/24/2019] [Indexed: 11/15/2022] Open
Abstract
About 10% of patients taking a chronic, oral anticoagulant therapy require an invasive procedure that can be associated with an increased risk for peri-interventional or perioperative bleeding. Depending on the risk for thromboembolism and the risk for bleeding, the physician has to decide whether the anticoagulant therapy should be interrupted or continued. Patient characteristics such as age, renal function and drug interactions must be considered. The perioperative handling of the oral anticoagulant therapy differs according to the periprocedural bleeding risk. Patients requiring a procedure with a minor risk for bleeding do not need to pause their anticoagulant therapy. For procedures with an increased risk for perioperative bleeding, the anticoagulant therapy should be adequately paused. For patients on a coumarin derivative with a high risk for a thromboembolic event, a perioperative bridging therapy with a low molecular weight heparin is recommended. Due to an increased risk for perioperative bleeding in patients on a bridging therapy, it is not recommended in patients with a low risk for thromboembolism. For patients taking a non-vitamin K oral anticoagulant, a bridging therapy is not recommended due to the fast onset and offset of the medication.
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Affiliation(s)
- Johanna Wagner
- Department of General, Visceral, Transplantation, Vascular and Pediatric Surgery, Medical Center Julius-Maximilians, University of Wuerzburg, Oberduerrbacherstr. 6, 97080 Wuerzburg, Germany
| | - Johan F Lock
- Department of General, Visceral, Transplantation, Vascular and Pediatric Surgery, University Hospital Würzburg, Wüerzburg, Germany
| | - Carolin Kastner
- Department of General, Visceral, Transplantation, Vascular and Pediatric Surgery, University Hospital Würzburg, Wüerzburg, Germany
| | - Ingo Klein
- Department of General, Visceral, Transplantation, Vascular and Pediatric Surgery, University Hospital Würzburg, Wüerzburg, Germany.,Comprehensive Cancer Center Mainfranken, Würzburg, Germany
| | - Katica Krajinovic
- Department of General, Visceral, Transplantation, Vascular and Pediatric Surgery, University Hospital Würzburg, Wüerzburg, Germany.,Comprehensive Cancer Center Mainfranken, Würzburg, Germany
| | - Stefan Löb
- Department of General, Visceral, Transplantation, Vascular and Pediatric Surgery, University Hospital Würzburg, Wüerzburg, Germany.,Comprehensive Cancer Center Mainfranken, Würzburg, Germany
| | - Christoph-Thomas Germer
- Department of General, Visceral, Transplantation, Vascular and Pediatric Surgery, University Hospital Würzburg, Wüerzburg, Germany.,Comprehensive Cancer Center Mainfranken, Würzburg, Germany
| | - Armin Wiegering
- Department of General, Visceral, Transplantation, Vascular and Pediatric Surgery, University Hospital Würzburg, Wüerzburg, Germany.,Comprehensive Cancer Center Mainfranken, Würzburg, Germany.,Department of Biochemistry and Molecular Biology, University of Würzburg, Würzburg, Germany
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8
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Abstract
A growing number of patients in Germany receive a long-term prophylactic anticoagulation with phenprocoumone or one of the novel direct oral anticoagulants (NOAC), such as dabigatran, rivaroxaban or apixaban. The most common indication for an oral anticoagulant therapy is atrial fibrillation (approximately 75%) where the anticoagulant therapy can reduce the risk for an embolic event, particularly stroke by 60%. Operations carried out during such a therapy can result in major bleeding complications. On the other hand, suspending anticoagulant therapy can lead to an increased risk of thromboembolisms. Thus, the preoperative assessment should address the bleeding risk of the planned operation, the individual risk of thromboembolism, as well as other factors, such as patient age and renal function. If the individual assessment shows a substantial risk of perioperative bleeding when anticoagulant treatment is continued and a substantial risk of thromboembolism if the treatment is suspended, then a perioperative bridging, for example with low molecular weight heparin, is necessary. Perioperative bridging also leads to an increased risk of perioperative bleeding. Thus, undifferentiated bridging for all patients with atrial fibrillation with anticoagulant treatment is not recommended. Instead, the indications for a perioperative bridging should be decided according to individual risk profiles.
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Plümer L, Seiffert M, Punke MA, Kersten JF, Blankenberg S, Zöllner C, Petzoldt M. Aspirin Before Elective Surgery-Stop or Continue? DEUTSCHES ARZTEBLATT INTERNATIONAL 2018; 114:473-480. [PMID: 28764836 DOI: 10.3238/arztebl.2017.0473] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/02/2016] [Revised: 10/02/2016] [Accepted: 04/13/2017] [Indexed: 02/07/2023]
Abstract
BACKGROUND Cessation of long-term aspirin treatment before noncardiac surgery can cause adverse cardiac events in patients at risk, particularly in those with previous percutaneous coronary interventions (PCI) with stent implantation. The factors influencing the clinical decision to stop aspirin treatment are currently unknown. METHODS In a single-center, cross-sectional study (retrospective registration: NCT03049566) carried out from February to December 2014, we took a survey among patients scheduled for noncardiac surgery who were under long-term aspirin treatment, and among their treating anesthesiologists using standardized questionnaires on preoperative aspirin use, comorbidities, and risk-benefit assessments. The main objective was to identify factors associated with the decision to stop aspirin treatment. The results of multivariable logistic regressions and intraclass correlations are presented. RESULTS 805 patients were included in the study, and 636 questionnaires were returned (203 of which concerned patients with coronary stents). 46.8% of the patients stopped their long-term aspirin treatment before surgery; 38.7% of these patients stopped it too early (>10 days before surgery) or too late (≤ 3 days before surgery). A prior PCI with stent implantation lowered the probability of aspirin cessation (odds ratio [OR] = 0.47 [0.31; 0.72]; p <0.001). On the other hand, patients were more likely to stop their long-term aspirin treatment if it had already been discontinued once before (OR = 4.58 [3.06; 6.84]; p <0.001), if there was a risk of bleeding into a closed space (OR = 4.54 [2.02; 10.22]; p <0.001), if they did not know why they were supposed to take aspirin (OR = 2.12 [1.05; 4.28]; p = 0.036), or if the preoperative consultation with the anesthesiologist occurred <2 days before surgery (OR = 1.60 [1.08; 2.37]; p = 0.018). Patients often assessed the risks related to aspirin cessation lower than their physicians did. CONCLUSION This study reveals discordance between guideline recommendations and everyday clinical practice in patients with coronary stents. The early integration of cardiologists and anesthesiologists and a more widespread use of stent implant cards could promote adherence to the guidelines.
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Affiliation(s)
- Lili Plümer
- Department of Anesthesiology, Center for Anesthesiology and Intensive Care Medicine, University Medical Center Hamburg-Eppendorf (UKE), Hamburg, Germany; Department of General and Interventional Cardiology, University Heart Center Hamburg (UHZ), Hamburg, Germany; Institute of Medical Biometry and Epidemiology, University Medical Center Hamburg-Eppendorf (UKE), Hamburg, Germany
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10
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Rüsch D, Koch T, Spies M, Hj Eberhart L. Pain During Venous Cannulation. DEUTSCHES ARZTEBLATT INTERNATIONAL 2018; 114:605-611. [PMID: 28974291 DOI: 10.3238/arztebl.2017.0605] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/13/2016] [Revised: 10/13/2016] [Accepted: 06/12/2017] [Indexed: 01/04/2023]
Abstract
BACKGROUND The pain of venous puncture for the cannulation of peripheral veins is disturbing to many patients. This is the first clinical trial of the efficacy of local anesthesia in comparison to placebo (no pretreatment) in a control group, as a function of the size of the cannula. METHODS A randomized, controlled trial of fully factorial design was performed to study pain during venipuncture after local anesthesia either with intra - dermally injected lidocaine or with a vapocoolant spray, in comparison to placebo. A standardized protocol was used for structured communication with the patient to provide the greatest feasible degree of patient blinding (trial registration number DRKS00010155). The primary endpoints were the subjective discomfort of the patient during preparation and puncture of a vein of the dorsum of the hand, assessed on a numerical rating scale (NRS) from 0 (no discomfort) to 10 (unbearable discomfort), and the rate of unsuccessful puncture. RESULTS The intention-to-treat analysis of all 450 patients revealed that the reported degree of pain during venipuncture depended to a large extent on the caliber of the chosen venous cannula. For a 17-gauge (17G) cannula, both the vapocoolant spray (NRS = 2.6 ± 1.3) and lidocaine (NRS = 3.5 ± 2.2) lessened the discomfort due to venipuncture compared to control treatment (5.0 ± 1.5). The effect of vapocoolant spray compared to the control was both clinically relevant and statistically significant (p < 0.0001). When a smaller 20G cannula was used, however, vapocoolant spray improved discomfort by only 0.8 NRS points, which, though still statistically significant (p = 0.0056), was no longer clinically relevant. The rate of unsuccessful puncture was higher after lidocaine pretreatment (12.7%) than after either vapocoolant spray (4.7%; p = 0.0066) or no pretreatment (4.0%; p = 0.0014). CONCLUSION Local anesthesia can be recommended before venipuncture only if a large cannula is used (e.g., ≥ 17G). Vapocoolant spray may be at least as useful as lidocaine injection; it prevents pain to a similar extent and is associated with a lower rate of unsuccessful puncture.
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Affiliation(s)
- Dirk Rüsch
- Clinic of Anesthesiology and Intensive Care Medicine, Philipps-University Marburg; UKGM Giessen and Marburg
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11
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Staerkle RF, Hoffmann H, Köckerling F, Adolf D, Bittner R, Kirchhoff P. Does coagulopathy, anticoagulant or antithrombotic therapy matter in incisional hernia repair? Data from the Herniamed Registry. Surg Endosc 2018; 32:3881-3889. [PMID: 29492708 PMCID: PMC6096530 DOI: 10.1007/s00464-018-6127-y] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2017] [Accepted: 02/23/2018] [Indexed: 02/02/2023]
Abstract
BACKGROUND A considerable number of patients undergoing incisional hernia repair are on anticoagulant or antiplatelet therapy or have existing coagulopathy which may put them at higher risk for postoperative bleeding complications. Data about the optimal treatment of these patients are sparse. This analysis attempts to determine the rate of postoperative bleeding complications following incisional hernia repair and the consecutive rate of reoperation among patients with coagulopathy or receiving antiplatelet and anticoagulant therapy (higher risk group) compared to patients who do not have a higher risk (normal risk group). METHODS Out of the 43,101 patients documented in the Herniamed Registry who had an incisional hernia repair, 6668 (15.5%) were on anticoagulant or antithrombotic therapy or had existing coagulopathy. The implication of that higher risk profile for onset of postoperative bleeding was investigated in multivariable analysis. Hence, other influential variables were identified. RESULTS The rate of postoperative bleeding in the higher risk group was 3.9% (n = 261) and significantly higher compared to the normal risk group at 1.6% (n = 564) (OR 2.001 [1.699; 2.356]; p < 0.001). Additionally, male gender, use of drains, larger defect size, open incisional hernia repair, lower BMI, and higher ASA score significantly increased the risk of postoperative bleeding. The rate of reoperations due to postoperative bleeding was significantly increased in the higher risk group compared to the normal risk group (2.4 vs. 1.0%; OR 1.217 [1.071; 1.382]; p = 0.003). Likewise, the postoperative general complication rate (6.04 vs. 3.66%; p < 0.001) as well as the mortality rate (0.46 vs. 0.17%; p < 0.001) were significantly higher in the higher risk group. CONCLUSIONS Patients with anticoagulant or antiplatelet therapy or existing coagulopathy who undergo incisional hernia repair have a significantly higher risk for onset of postoperative bleeding. The risk of bleeding complications and complication-related reoperations seems to be lower after laparoscopic intraperitoneal onlay mesh.
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Affiliation(s)
- Ralph F Staerkle
- Department of Surgery, Clinic for Visceral Surgery, University Hospital Basel, Spitalstrasse 21, 4031, Basel, Switzerland.
| | - Henry Hoffmann
- Department of Surgery, Clinic for Visceral Surgery, University Hospital Basel, Spitalstrasse 21, 4031, Basel, Switzerland
| | - Ferdinand Köckerling
- Department of Surgery and Center for Minimally Invasive Surgery, Academic Teaching Hospital of Charité Medical School, Vivantes Hospital, Neue Bergstrasse 6, 13585, Berlin, Germany
| | - Daniela Adolf
- StatConsult GmbH, Halberstädter Straße 40 a, 39112, Magdeburg, Germany
| | - Reinhard Bittner
- Winghofer Medicum Hernia Center, Winghofer Strasse 42, 72108, Rottenburg am Neckar, Germany
| | - Philipp Kirchhoff
- Department of Surgery, Clinic for Visceral Surgery, University Hospital Basel, Spitalstrasse 21, 4031, Basel, Switzerland
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Heil J, Miesbach W, Vogl T, O. Bechstein W, Reinisch A. Deep Vein Thrombosis of the Upper Extremity. DEUTSCHES ARZTEBLATT INTERNATIONAL 2017; 114:244-249. [PMID: 28446351 PMCID: PMC5415909 DOI: 10.3238/arztebl.2017.0244] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/30/2016] [Revised: 10/30/2016] [Accepted: 01/24/2017] [Indexed: 02/01/2023]
Abstract
BACKGROUND Deep venous thrombosis (DVT) arises with an incidence of about 1 per 1000 persons per year; 4-10% of all DVTs are located in an upper extremity (DVT-UE). DVT-UE can lead to complications such as post-thrombotic syndrome and pulmonary embolism and carries a high mortality. METHODS This review is based on pertinent literature, published from January 1980 to May 2016, that was retrieved by a systematic search, employing the PRISMA criteria, carried out in four databases: PubMed (n = 749), EMBASE (n = 789), SciSearch (n = 0), and the Cochrane Library (n = 12). Guidelines were included in the search. RESULTS DVT-UE arises mainly in patients with severe underlying diseases, especially cancer (odds ratio [OR] 18.1; 95% confidence interval [9.4; 35.1]). The insertion of venous catheters-particularly central venous catheters-also elevates the risk of DVT-UE. Its clinical manifestations are nonspecific. Diagnostic algorithms are of little use, but ultrasonography is very helpful in diagnosis. DVT-UE is treated by anticoagulation, with heparin at first and then with oral anticoagulants. Direct oral anticoagulants are now being increasingly used. The thrombus is often not totally eradicated. Anticoagulation is generally continued as maintenance treatment for 3-6 months. Interventional techniques can be used for special indications. Patients with DVT-UE have a high mortality, though they often die of their underlying diseases rather than of the DVT-UE or its complications. CONCLUSION DVT of the upper extremity is becoming increasingly common, though still much less common than DVT of the lower extremity. The treatment of choice is anticoagulation, which is given analogously to that given for DVT of the lower extremity.
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Affiliation(s)
- Jan Heil
- Department of General and Visceral Surgery, University Hospital Frankfurt, Frankfurt am Main
| | - Wolfgang Miesbach
- Hemostasiology, Department of Medicine II, University Hospital Frankfurt, Frankfurt am Main
| | - Thomas Vogl
- Institute of Diagnostic and Interventional Radiology, University Hospital Frankfurt, Frankfurt am Main
| | - Wolf O. Bechstein
- Department of General and Visceral Surgery, University Hospital Frankfurt, Frankfurt am Main
| | - Alexander Reinisch
- Department of General and Visceral Surgery, University Hospital Frankfurt, Frankfurt am Main
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13
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Lange CM, Fichtlscherer S, Miesbach W, Zeuzem S, Albert J. The Periprocedural Management of Anticoagulation and Platelet Aggregation Inhibitors in Endoscopic Interventions. DEUTSCHES ARZTEBLATT INTERNATIONAL 2017; 113:129-35. [PMID: 26976713 DOI: 10.3238/arztebl.2016.0129] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2015] [Revised: 10/05/2015] [Accepted: 10/05/2015] [Indexed: 01/05/2023]
Abstract
BACKGROUND In Germany, more than half a million persons, most of them elderly, are under long-term treatment with anticoagulants. The approval of new oral anticoagulants and platelet aggregation inhibitors, as well as new data on periprocedural bridging with heparins, have introduced marked complexity to the management of treatment with anticoagulants and platelet aggregation inhibitors for endoscopic interventions in visceral surgery. METHODS This review is based on pertinent publications retrieved by a selective literature search in PubMed, as well as on the relevant guidelines. RESULTS Robust data are available on the management of vitamin K antagonists (VKA) and platelet aggregation inhibitors for endoscopic procedures; on the other hand, the data on the periprocedural management of non-VKA oral anticoagulants (NOAC) are still inadequate. Endoscopic procedures that carry a low risk of bleeding can be performed under treatment with anticoagulants or platelet aggregation inhibitors. Before any procedure with a high risk of bleeding (≥ 1.5%) oral anticoagulants of any type and P2Y12 inhibitors should generally be discontinued. Patients in whom VKA are temporarily discontinued for this reason need bridging treatment with heparin only if they are at high risk of thromboembolic events (≥ 10% per year). For patients who are anticoagulated with NOAC, timely discontinuation of the drug depending on renal function is of key importance, and bridging is usually unnecessary. CONCLUSION Adequate scientific evidence supports the current recommendations and treatment algorithms for the periprocedural management of oral anticoagulants and platelet aggregation inhibitors in endoscopic procedures. Larger-scale studies are still needed to provide a sound basis for the corresponding recommendations about NOAC.
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Affiliation(s)
- Christian M Lange
- Gastroenterology and Hepatology, Department of Medicine 1, Frankfurt University Hospital, Frankfurt am Main, Cardiology, Department of Medicine 3, Frankfurt University Hospital, Frankfurt am Main, Hemostaseology, Department of Medicine 2, Frankfurt University Hospital, Frankfurt am Main
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14
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Abstract
The management of major orthopedic surgery in the elderly prototypically reflects the perioperative risks of geriatric, often very frail patients reflecting an aging population. To improve outcome, the risks of anesthesia and surgery as well as of patient comorbidities must be thoroughly assessed and balanced using a multidisciplinary approach. Particular risks include cardiopulmonary morbidity, anemia, risk of hemorrhage and the management by anticoagulation, cerebral impairments as well as frailty and limited physiological reserves in general. Accordingly, an optimized therapy prior to, during, and after surgery will likely influence not only the immediate postoperative course but also hospital mortality and long-term outcome. Publications on the topic of perioperative management of geriatric patients are fortunately gaining in quality and quantity, not least against the background of the demographic developments. Accordingly, specific influencing factors relevant for perioperative management can be increasingly more identified. This short review summarizes the current state of knowledge to provide an overview and rationale for clinical decision making.
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Abstract
Pertrochanteric fractures are one of the most common injuries in the elderly and due to the demographic changes the incidence and importance of this fracture entity will even increase in the future. The dynamic hip screw (DHS) has been used as the gold standard implant in the treatment of pertrochanteric femoral fractures for many years but recent studies have shown that cephalomedullary nails have some advantages. Due to the high incidence, operative treatment of these fractures is part of the standard repertoire of trauma surgeons and this article therefore provides an overview of existing knowledge and new trends in the treatment of pertrochanteric femoral fractures.
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Affiliation(s)
- G H Sandmann
- Klinik und Poliklinik für Unfallchirurgie, Klinikum rechts der Isar, Technische Universität München, Ismaningerstr. 22, 81675, München, Deutschland
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16
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Abstract
In ophthalmology many patients undergo surgical treatment who need to take anticoagulant medication due to cardiovascular diseases. The proper handling of these drugs requires both correct assessment of the risk of thromboembolism as well as the rating of the risk of surgery-related hemorrhages. While there are established recommendations for estimation of the risk of thromboembolism based on a large body of prospective randomized trials, data regarding the evaluation of the related complications secondary to ophthalmic surgery are limited. In comparison to other surgical procedures, most interventions in ophthalmic surgery tend to have a relatively low risk of bleeding; therefore, in general there is no need to convert or discontinue anticoagulant drugs in patients undergoing opthalmic surgery. The sparse data available justifying the abrupt termination of anticoagulation are contrary to the approach currently widely distributed in clinical practice. This overview covers the relevant knowledge of the perioperative use of anticoagulant drugs. In addition, the data on the risk of hemorrhage in ophthalmological procedures are presented and discussed.
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Patel A, Goddeau RP, Henninger N. Newer Oral Anticoagulants: Stroke Prevention and Pitfalls. Open Cardiovasc Med J 2016; 10:94-104. [PMID: 27347226 PMCID: PMC4897006 DOI: 10.2174/1874192401610010094] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2015] [Revised: 10/08/2015] [Accepted: 11/25/2015] [Indexed: 01/25/2023] Open
Abstract
Warfarin is very effective in preventing stroke in patients with atrial fibrillation. However, its use is limited due to fear of hemorrhagic complications, unpredictable anticoagulant effects related to multiple drug interactions and dietary restrictions, a narrow therapeutic window, frequent difficulty maintaining the anticoagulant effect within a narrow therapeutic window, and the need for inconvenient monitoring. Several newer oral anticoagulants have been approved for primary and secondary prevention of stroke in patients with non-valvular atrial fibrillation. These agents have several advantages relative to warfarin therapy. As a group, these direct oral anticoagulants (DOAC), which include the direct thrombin inhibitor, dabigatran, and the factor Xa inhibitors (rivaroxaban, apixaban, and edoxaban), are more effective than dose adjusted warfarin for prevention of all-cause stroke (including both ischemic and hemorrhagic stroke), and have an overall more favorable safety profile. Nevertheless, an increased risk of gastrointestinal bleeding (with the exception of apixaban), increased risk for thrombotic complication with sudden discontinuation, and inability to accurately assess and reverse anticoagulant effect require consideration prior to therapy initiation, and pose a challenge for decision making in acute stroke therapy.
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Affiliation(s)
- Anand Patel
- Department of Neurology, University of Massachusetts Medical School, Worcester, MA, USA
| | - Richard P Goddeau
- Department of Neurology, University of Massachusetts Medical School, Worcester, MA, USA
| | - Nils Henninger
- Department of Neurology, University of Massachusetts Medical School, Worcester, MA, USA; Department of Psychiatry, University of Massachusetts Medical School, Worcester, MA, USA
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18
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[Anesthesiological care in orthogeriatric co-management. Perioperative treatment of geriatric trauma patients]. Z Gerontol Geriatr 2016; 49:237-55. [PMID: 27090913 DOI: 10.1007/s00391-016-1057-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2015] [Revised: 01/25/2016] [Accepted: 02/25/2016] [Indexed: 12/19/2022]
Abstract
Elderly patients increasingly need to undergo surgery under anesthesia, especially following trauma. A timely interdisciplinary approach to the perioperative management of these patients is decisive for the long-term outcome. Orthogeriatric co-management, which includes geriatricians and anesthesiologists from an early stage, is of great benefit for geriatric patients. Patient age, comorbidities and self-sufficiency in activities of daily life are decisive for an anesthesiological assessment of the state of health and preoperative risk stratification. If necessary additional investigations, such as echocardiography must be carried out, in order to guarantee optimal perioperative anesthesiological management. Certain medical factors can delay the initiation of anesthesia and it is absolutely necessary that these are taken into consideration for surgical management. Not every form of anesthesia is equally suitable for every geriatric patient.
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19
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Weber RK, Hosemann W. Comprehensive review on endonasal endoscopic sinus surgery. GMS CURRENT TOPICS IN OTORHINOLARYNGOLOGY, HEAD AND NECK SURGERY 2015; 14:Doc08. [PMID: 26770282 PMCID: PMC4702057 DOI: 10.3205/cto000123] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Endonasal endoscopic sinus surgery is the standard procedure for surgery of most paranasal sinus diseases. Appropriate frame conditions provided, the respective procedures are safe and successful. These prerequisites encompass appropriate technical equipment, anatomical oriented surgical technique, proper patient selection, and individually adapted extent of surgery. The range of endonasal sinus operations has dramatically increased during the last 20 years and reaches from partial uncinectomy to pansinus surgery with extended surgery of the frontal (Draf type III), maxillary (grade 3-4, medial maxillectomy, prelacrimal approach) and sphenoid sinus. In addition there are operations outside and beyond the paranasal sinuses. The development of surgical technique is still constantly evolving. This article gives a comprehensive review on the most recent state of the art in endoscopic sinus surgery according to the literature with the following aspects: principles and fundamentals, surgical techniques, indications, outcome, postoperative care, nasal packing and stents, technical equipment.
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Affiliation(s)
- Rainer K. Weber
- Division of Paranasal Sinus and Skull Base Surgery, Traumatology, Department of Otorhinolaryngology, Municipal Hospital of Karlsruhe, Germany
- I-Sinus International Sinus Institute, Karlsruhe, Germany
| | - Werner Hosemann
- Department of Otorhinolaryngology, Head and Neck Surgery, University of Greifswald, Germany
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20
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Has endoscopic (TEP, TAPP) or open inguinal hernia repair a higher risk of bleeding in patients with coagulopathy or antithrombotic therapy? Data from the Herniamed Registry. Surg Endosc 2015; 30:2073-81. [PMID: 26275547 PMCID: PMC4848330 DOI: 10.1007/s00464-015-4456-7] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2015] [Accepted: 07/17/2015] [Indexed: 12/22/2022]
Abstract
Introduction
Inguinal hernia operations in the presence of antithrombotic therapy, based on antiplatelet or anticoagulant drugs, or existing coagulopathy are associated with a markedly higher risk for onset of postoperative secondary bleeding. To date, there is a paucity of concrete data on this important clinical aspect of inguinal hernia surgery. Up till now, the endoscopic (TEP, TAPP) techniques have been considered to be more risky because of the extensive dissection involved. Patients and methods Out of the 82,911 patients featured in the Herniamed Hernia Registry who had undergone inguinal hernia repair, 9115 (11 %) were operated on while receiving antithrombotic therapy or with existing coagulopathy. The implications of that risk profile for onset of postoperative bleeding were investigated in multivariable analysis. In addition, other influence variables were identified. Results The rate of postoperative secondary bleeding, at 3.91 %, was significantly higher in the risk group with coagulopathy or receiving antithrombotic therapy than in the group without that risk profile at 1.12 % (p < 0.001). Multivariable analysis revealed other influence variables which, in addition to coagulopathy or antithrombotic therapy, had a relevant influence on the occurrence of postoperative bleeding. These were open operation, a higher age, a higher ASA score, recurrence, male gender and a large hernia defect. Summary Patients receiving antithrombotic therapy or with existing coagulopathy who undergo inguinal hernia operation have a fourfold higher risk for onset of postoperative secondary bleeding. Despite the extensive dissection required for endoscopic (TEP, TAPP) inguinal hernia repair, the risk of bleeding complications and complication-related reoperation appears to be lower.
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Liu Y, Liu H, Hao Z, Geng G, Chen Q, Han W, Jia K, Zhou Y. Efficacy and safety of different doses of tirofiban combined with ticagrelor on diabetic patients with AMI receiving in emergency percutaneous coronary intervention (PCI). Int J Clin Exp Med 2015; 8:11360-9. [PMID: 26379951 PMCID: PMC4565334] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2015] [Accepted: 06/02/2015] [Indexed: 06/05/2023]
Abstract
OBJECTIVE The aim of this study was to investigate the efficacy and safety of dual antiplatelet drugs combined with different doses of tirofiban on diabetic patients with acute myocardial infarction (AMI) receiving emergency percutaneous coronary intervention (PCI). METHODS 158 diabetic patients with AMI undergone emergency PCI were randomly divided into three groups: Group A (53 cases) as the control group-dual anti-platelet agents (aspirin + ticagrelor); Group B (52 cases)-dual anti-platelet agents + conventional dose of tirofiban [10 μg/kg by PCI and 0.15 μg/(kg·min) by continue venous pump for 24 h]; Group C (53 cases)-dual antiplatelet agents + half-dose tirofiban [10 μg/kg by PCI and 0.075 μg/(kg·min) by continue venous pump for 24 h]. RESULTS Compared with group A, thrombolysis in myocardial infarction 3 (TIMI3) blood flow and TIMI myocardial perfusion grade 3 (TMPG3) myocardial perfusion of patients in group B and group C after PCI was significantly higher (P < 0.05), the average day of hospitalization was significantly shorter (P < 0.05), reinfarction during hospitalization, post-infarction angina, severe arrhythmia, the incidence of cardiac function above KillipIII level was significantly lower (P < 0.05). And the differences between group B and C was not statistically significant (P > 0.05). Severe bleeding and moderate incidence of bleeding in group B was significantly higher than that in group A and group C (P < 0.05). CONCLUSIONS Based on combination of dual the anti-platelet agents and ticagrelor for diabetic patients with AMI receiving PCI, the combination of half-dose tirofiban can effectively improve TIMI flow and TMPG myocardial tissue perfusion, and reduce the incidence of major adverse cardiac events (MACE) and severe bleeding.
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Affiliation(s)
- Yang Liu
- Department of Cardiology, People's Hospital of Zhengzhou, Southern Medical University Zhengzhou 45002, Hean, China
| | - Hengliang Liu
- Department of Cardiology, People's Hospital of Zhengzhou, Southern Medical University Zhengzhou 45002, Hean, China
| | - Zhenxuan Hao
- Department of Cardiology, People's Hospital of Zhengzhou, Southern Medical University Zhengzhou 45002, Hean, China
| | - Guoying Geng
- Department of Cardiology, People's Hospital of Zhengzhou, Southern Medical University Zhengzhou 45002, Hean, China
| | - Qi Chen
- Department of Cardiology, People's Hospital of Zhengzhou, Southern Medical University Zhengzhou 45002, Hean, China
| | - Wenjie Han
- Department of Cardiology, People's Hospital of Zhengzhou, Southern Medical University Zhengzhou 45002, Hean, China
| | - Kailong Jia
- Department of Cardiology, People's Hospital of Zhengzhou, Southern Medical University Zhengzhou 45002, Hean, China
| | - Yuxin Zhou
- Department of Cardiology, People's Hospital of Zhengzhou, Southern Medical University Zhengzhou 45002, Hean, China
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Sümnig A, Grotevendt A, Westphal A, Fiene M, Greinacher A, Thiele T. Acquired hemophilia with inhibitors presenting as an emergency: misinterpretation of clotting results during direct oral anticoagulation. DEUTSCHES ARZTEBLATT INTERNATIONAL 2015; 111:345-8. [PMID: 24875459 DOI: 10.3238/arztebl.2014.0345] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/12/2013] [Revised: 04/01/2014] [Accepted: 04/01/2014] [Indexed: 11/27/2022]
Abstract
BACKGROUND Direct oral anticoagulants (DOACs) were recently introduced and are being increasingly prescribed. Most DOACs alter the values of traditional coagulation tests, such as the international normalized ratio (INR) or the activated partial thromboplastin time (aPTT). Although vitamin K antagonists raise the INR value to an extent that mirrors their anticoagulant effect, DOACs do not, in general, alter standard clotting values in any consistent way. Thus, there is a risk that abnormal INR and aPTT values can be misinterpreted. CASE ILLUSTRATION A woman taking rivaroxaban, a DOAC, presented with ileus and was scheduled for urgent surgery. A prolonged aPTT was, at first, wrongly attributed to rivaroxaban, delaying the correct diagnosis of autoantibody-associated acquired hemophilia (a rare condition with incidence, 1.34-1.48 cases per million people per year). The patient had a history of unusually intense bleeding in the skin and mucous membranes during anticoagulant treatment. Her aPTT had been prolonged even before any anticoagulants were taken. COURSE The operation was delayed to await the elimination of rivaroxaban. The aPTT was still prolonged 24 hours later. The diagnosis of autoantibody-associated acquired hemophilia was suspected and then confirmed by the measurement of a factor VIII residual activity of 1% and the demonstration of factor VIII inhibition at an intensity of 9.2 Bethesda units per mL. CONCLUSION The causes of abnormal clotting test results must be clarified before beginning anticoagulant therapy. Unusually intense bleeding during oral anticoagulation should arouse suspicion of a previously undiagnosed acquired coagulopathy, e.g., antibody-associated acquired hemophilia.
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Affiliation(s)
- Ariane Sümnig
- Institute of Immunology and Transfusion Medicine, University Medicine, Ernst-Moritz-Arndt-University of Greifswald, Institute of Clinical Chemistry and Laboratory Medicine, University Medicine, Ernst-Moritz-Arndt-University of Greifswald, Department of Internal Medicine A, University Medicine, Ernst-Moritz-Arndt-University of Greifswald
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Perioperative Beurteilung und Behandlung kardiovaskulärer Risikopatienten für nichtherzchirurgische Eingriffe. Anaesthesist 2015; 64:324-8. [DOI: 10.1007/s00101-015-2422-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Abstract
BACKGROUND Patients with antiplatelet and antithrombotic therapy (AP/AT) represent a substantial proportion of ear, nose and throat (ENT) patients. Despite the ubiquitous consideration of bleeding and ischemic/thrombembolic risk, no detailed assessment of the perioperative setting in an ENT cohort is available in the literature. OBJECTIVES The goal of the present work is to give a detailed assessment of patients with AP/AT in an ENT cohort resulting in ENT-specific recommendations for daily routine. MATERIALS AND METHODS In all, 400 randomized patients were asked regarding analgetic therapy in acute pain. Medical data of 5211 patients who underwent head and neck surgery were analyzed for AP/AT therapy. Therapeutic strategies, the perioperative AP/AT therapy, duration of intensive care treatment and hospitalization (ICT/H), application of erythrocytes and internistic/neurolocigal complication data were analyzed in patients with/without AP/AT. RESULTS Nearly 75 % of our patients were taking AP/AT due to coronary heart disease (CHD), peripheral arterial disease (PAD), cardiac arrhythmia, or cardiovascular disease (CVD). Patients' questionnaire revealed that 31 % of our patients use acetylsalicylic acid in acute pain, which represents 10 % of the overall AP/AT cohort. Head and neck surgery in patients with AP/AT showed an elevated bleeding frequency (p = 0.006) without an elevated risk for internistic/neurological complications. ICT/H were remarkably prolonged (p = 0.006; p = 0.0004). DISCUSSION Head and neck surgery in patients with AP/AT can be routinely performed. Indication for intensive care, endotracheal intubation, and tracheostomy should be made generously due to high requirements of airway management in ENT. Ischemic/thrombembolic and bleeding risk requires careful assessment in an interdisciplinary setting.
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Wipper S, Stoberok K, Atlihan G, Kieback A, Lohrenz C, Diener H, Debus ES. [Screening of carotid arteries before surgery: when does preoperative duplex ultrasound make sense?]. Chirurg 2014; 85:616-21. [PMID: 24449082 DOI: 10.1007/s00104-013-2658-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Carotid artery stenosis is a marker for generalized atherosclerosis with high cerebrovascular and cardiovascular morbidity and mortality rates. There is an estimated increase in prevalence of moderate stenosis for older age and male sex. Asymptomatic carotid artery stenosis is a risk factor for perioperative neurological events during general surgery. Planning of effective preoperative screening of populations at risk for asymptomatic carotid artery stenosis is best evaluated for cardiac surgery. General screening is not recommended; however, preoperative screening for asymptomatic carotid artery stenosis should be performed in high-risk patients with options for surgical or interventional treatment. These are patients with clinical signs of peripheral arterial disease and patients over 65 years old with at least one of the risk factors coronary artery disease, smoking and hypercholesterinemia. Preoperative screening in patients with carotid bruits may also be useful. Preoperative carotid artery screening may be beneficial in detecting occult carotid artery stenosis and thereby reducing perioperative neurological events.
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Affiliation(s)
- S Wipper
- Klinik und Poliklinik für Gefäßmedizin, Universitäres Herzzentrum Hamburg, Universitätsklinikum Hamburg-Eppendorf, Martinistr. 52, 20246, Hamburg, Deutschland
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Werdan K, Braun-Dullaeus R, Presek P. Anticoagulation in atrial fibrillation: NOAC's the word. DEUTSCHES ARZTEBLATT INTERNATIONAL 2013; 110:523-4. [PMID: 24069072 DOI: 10.3238/arztebl.2013.0523] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- Karl Werdan
- Department of Medicine III, Department of Medicine and Heart Centre, University Hospital of Halle(Saale)
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