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Apel D, Hoersch D, Kuntze T, Baum RP, Petrovich A, Hommann M, Secknus MA, Lauer B, Ohlow MA. P3497Carcinoid heart disease in patients with neuroendocrine tumours: prevalence and predisposing factors. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy563.p3497] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Ohlow MA, Geller JC. Heat-induced oxidation of an implantable cardioverter-defibrillator titanium alloy housing. Europace 2018; 20:1267. [PMID: 29912348 DOI: 10.1093/europace/euy075] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Apel D, El-Gahry M, Geller JC, Lauer B, Ohlow MA. P3879Intraoperative local application of 3% hydrogen peroxide prevents pocket infections after permanent heart rhythm device implantation. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy563.p3879] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Spahic A, Memisevic N, Ohlow MA. 51-jährige Patientin mit Oberbauchschmerzen. Dtsch Med Wochenschr 2018; 143:1113-1114. [DOI: 10.1055/a-0612-8525] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Gilgen N, Farah A, Scheller B, Ohlow MA, Mangner N, Weilenmann D, Wöhrle J, Jamshidi P, Leibundgut G, Möbius-Winkler S, Zweiker R, Krackhardt F, Butter C, Bruch L, Kaiser C, Hoffmann A, Rickenbacher P, Mueller C, Stephan FP, Coslovsky M, Jeger R. Drug-coated balloons for de novo lesions in small coronary arteries: rationale and design of BASKET-SMALL 2. Clin Cardiol 2018. [PMID: 29527709 PMCID: PMC6001703 DOI: 10.1002/clc.22942] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
The treatment of coronary small vessel disease (SVD) remains an unresolved issue. Drug‐eluting stents (DES) have limited efficacy due to increased rates of instent‐restenosis, mainly caused by late lumen loss. Drug‐coated balloons (DCB) are a promising technique because native vessels remain structurally unchanged. Basel Stent Kosten‐Effektivitäts Trial: Drug‐Coated Balloons vs. Drug‐Eluting Stents in Small Vessel Interventions (BASKET‐SMALL 2) is a multicenter, randomized, controlled, noninferiority trial of DCB vs DES in native SVD for clinical endpoints. Seven hundred fifty‐eight patients with de novo lesions in vessels <3 mm in diameter and an indication for percutaneous coronary intervention such as stable angina pectoris, silent ischemia, or acute coronary syndromes are randomized 1:1 to angioplasty with DCB vs implantation of a DES after successful initial balloon angioplasty. The primary endpoint is the combination of cardiac death, nonfatal myocardial infarction, and target‐vessel revascularization up to 1 year. Secondary endpoints include stent thrombosis, Bleeding Academic Research Consortium (BARC) type 3 to 5 bleeding, and long‐term outcome up to 3 years. Based on clinical endpoints after 1 year, we plan to assess the noninferiority of DCB compared to DES in patients undergoing primary percutaneous coronary intervention for SVD. Results will be available in the second half of 2018. This study will compare DCB and DES regarding long‐term safety and efficacy for the treatment of SVD in a large all‐comer population.
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Ohlow MA, Farah A, Kuntze T, Lauer B. Patients' preferences for coronary bypass grafting or staged percutaneous coronary intervention in multi-vessel coronary artery disease. Int J Clin Pract 2018; 72:e13056. [PMID: 29316058 DOI: 10.1111/ijcp.13056] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/16/2017] [Accepted: 12/14/2017] [Indexed: 11/30/2022] Open
Abstract
BACKGROUND The decision for coronary artery bypass grafting (CABG) or percutaneous coronary intervention (PCI) in patients with multi-vessel coronary artery disease (mCAD) is currently made by a heart-team approach. Patients' preference is less well investigated. METHODS All consecutive patients with prior CABG and at least 2 PCI procedures were interviewed whether they would elect bypass surgery or staged PCI in case of a hypothetical scenario in which they had mCAD and CABG or PCI will equally improve symptoms and survival. RESULTS A total 213 patients were surveyed. About 21 (10%) patients had multiple CABG, and mean number of PCI per patient was 4.0 ± 2.7. Complications during CABG were reported in 19.7% and in 14% after PCI, respectively. About 15% experienced complications after both CABG and PCI, and 51% had no complications at all. Mean symptom-free period was 5.2 (following CABG) vs 1.8 years (following PCI); P<.001. Duration of recovery was significant shorter after PCI (mean 9.2 ± 1.2 vs 136.4 ± 57.9 days; P<.01). Based on their personal experience with both procedures, 15% of the participants elected CABG in the hypothetical scenario and 67% choose staged PCI, 18% were equally happy with either. More participants preferred PCI when age was ≥70, complications following CABG occurred, and when undergoing CABG first. Gender, number of CABG or PCI procedures per patient, and complications following PCI did not affect participants' preference. CONCLUSIONS In our hypothetical scenario, the majority of participants preferred staged PCI over CABG. Preferences were related to age, complications following CABG, and whether CABG was performed first.
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Ohlow MA. [80-year-old Patient without Recognizable Heart on Transesophageal Echocardiografy]. Dtsch Med Wochenschr 2017; 142:649-650. [PMID: 28454197 DOI: 10.1055/s-0043-100850] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Roos M, Geller JC, Ohlow MA. Critical analysis of ineffective post implantation implantable cardioverter-defibrillator-testing. World J Cardiol 2017; 9:167-173. [PMID: 28289531 PMCID: PMC5329744 DOI: 10.4330/wjc.v9.i2.167] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/07/2016] [Revised: 10/02/2016] [Accepted: 11/29/2016] [Indexed: 02/06/2023] Open
Abstract
AIM To test of the implantable-cardioverter-defibrillator is done at the time of implantation. We investigate if any testing should be performed.
METHODS All consecutive patients between January 2006 and December 2008 undergoing implantable cardioverter-defibrillator (ICD) implantation/replacement (a total of 634 patients) were included in the retrospective study.
RESULTS Sixteen patients (2.5%) were not tested (9 with LA/LV-thrombus, 7 due to operator’s decision). Analyzed were 618 patients [76% men, 66.4 + 11 years, 24% secondary prevention (SP), 46% with left ventricular ejection fraction (LVEF) < 20%, 56% had coronary artery disease (CAD)] undergoing defibrillation safety testing (SMT) with an energy of 21 + 2.3 J. In 22/618 patients (3.6%) induced ventricular fibrillation (VF) could not be terminated with maximum energy of the ICD. Six of those (27%) had successful SMT after system modification or shock lead repositioning, 14 patients (64%) received a subcutaneous electrode array. Younger age (P = 0.0003), non-CAD (P = 0.007) and VF as index event for SP (P = 0.05) were associated with a higher incidence of ineffective SMT. LVEF < 20% and incomplete revascularisation in patients with CAD had no impact on SMT.
CONCLUSION Defibrillation testing is well-tolerated. An ineffective SMT occurred in 4% and two third of those needed implantation of a subcutaneous electrode array to pass a SMT > 10 J.
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Ohlow MA, Brunelli M, Schreiber M, Lauer B. Therapeutic effect of immunoadsorption and subsequent immunoglobulin substitution in patients with dilated cardiomyopathy: Results from the observational prospective Bad Berka Registry. J Cardiol 2017; 69:409-416. [DOI: 10.1016/j.jjcc.2016.07.014] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/14/2016] [Revised: 07/08/2016] [Accepted: 07/22/2016] [Indexed: 02/01/2023]
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Gayed M, Yadak N, Qamhia W, Daralammouri Y, Ohlow MA. Comorbidities and Complications in Nonagenarians Undergoing Coronary Angiography and Intervention. Int Heart J 2017; 58:180-184. [PMID: 28320990 DOI: 10.1536/ihj.16-083] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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Ohlow MA, Farah A, Richter S, El-Garhy M, von Korn H, Lauer B. Comparative Case-Control analysis of a dedicated self-expanding Biolimus A9-eluting Bifurcation stent versus provisional or mandatory side branch intervention strategies in the treatment of coronary bifurcation lesions. Catheter Cardiovasc Interv 2016; 90:39-47. [PMID: 27651317 DOI: 10.1002/ccd.26799] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/16/2015] [Accepted: 08/31/2016] [Indexed: 11/06/2022]
Abstract
BACKGROUND In a number of coronary bifurcation lesions, both the main vessel and the side branch (SB) need stent coverage. OBJECTIVES To analyze the procedural performance and the impact on radiation times (RT) and contrast medium consumption (CMC) of the Axxess™ stent system (Biosensors, Switzerland) treating de novo bifurcation lesions (DBL). METHODS One hundred and ten consecutive prospectively enrolled cases (Axxess Group) and 110 age, sex, and lesion location matched controls undergoing mandatory (Group A, n = 56) or provisional (Group B, n = 54) SB intervention were analyzed. RESULTS Although more pre-dilatation was performed in the Axxess Group (92.7% vs. 46.4% [Group A] vs. 24.1% [Group B]), and more stents were used (2.4 vs. 1.2 vs. 1.05), RT and CMC were significantly lower in the Axxess Group [7.9 min/129 ml vs. 14.2 min/209 ml vs. 7.8 min/152 ml; P < 0.001]. Final Thrombolysis In Myocardial Infarction three flow in both branches was significantly more frequent in the Axxess Group (98.2% vs. 94.6% vs. 88.9%; P = 0.02), and post-interventional troponin T elevations were the lowest in the Axxess Group. Eighty one percent of the Axxess-stents could be implanted without technical difficulties. Difficult implantations procedures were mainly related to coronary anatomy. There was no safety concerns (cardiac death, stent-thrombosis) compared to controls. Cumulative 6-months MACE rates were 11% versus 23% versus 25%. TLR rates at 6-months were 5%, 18%, and 15%, respectively. CONCLUSIONS Axxess bifurcation stent system procedures were associated with significantly less RT and CMC compared to conventional DBL therapy strategies. Difficult coronary anatomy may hinder successful implantation and a learning curve has to be considered. © 2016 Wiley Periodicals, Inc.
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Ohlow MA, Roos M, Lauer B, Geller JC. Incidence of ineffective safety margin testing (<10 J) and efficacy of routine subcutaneous array insertion during implantable cardioverter defibrillator implantation. Indian Pacing Electrophysiol J 2016; 16:47-52. [PMID: 27676160 PMCID: PMC5832618 DOI: 10.1016/j.ipej.2016.02.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2015] [Accepted: 02/19/2016] [Indexed: 11/30/2022] Open
Abstract
The purpose of this study was to assess (1) the incidence of safety margin testing <10 J (SMT) and (2) the efficacy/safety of routinely adding a subcutaneous array (SQA) (Medtronic 6996SQ) for these patients. Patients with SMT smaller than a 10-J safety margin from maximum output were considered to have very high readings and underwent SQA insertion. These patients were compared with the rest of the patients who had acceptable SMT (≥10 J). A total of 616 patients underwent ICD implantation during the analysis period. Of those, 16 (2.6%) had SMT <10 J. By univariate analysis, younger age, and non-ischemic cardiomyopathy, were all significant predictors of SMT <10 J (p < 0.05). In all 16 cases, other methods to improve SMT prior to array insertion were attempted but failed for all patients: reversing shock polarity (n = 15), removing the superior vena cava coil (n = 14), reprogramming shock waveform (n = 9), and repositioning right ventricular lead (n = 9). Addition of the SQA successfully increased SMT to within safety margin for all patients (32 ± 2 versus 21 ± 3 J; p < 0.001). Follow-up (mean 48.1 ± 21 months) was available for all patients with SQA, only 2 cases with inappropriate shocks due to atrial fibrillation had to be noted. None of the patients experienced complications due to SQA implantation. SMT <10 J occur in about 2.6% of patients undergoing ICD implantation. SQA insertion corrects this problem without procedural/mid-term complications.
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Varghese S, Lauer B, Ohlow MA. Coronary Artery Aneurysm After Everolimus-Eluting Bioabsorbable Vascular Scaffold Implantation. JACC Cardiovasc Interv 2016; 9:e23-5. [DOI: 10.1016/j.jcin.2015.10.032] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/25/2015] [Accepted: 10/14/2015] [Indexed: 11/27/2022]
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Ohlow MA, Chen TH, Schmidt A, Saenger J, Lauer B. Clinical profile of patients with advanced age and inflammatoric dilated cardiomyopathy on endomyocardial biopsy. J Geriatr Cardiol 2015; 12:605-12. [PMID: 26788036 PMCID: PMC4712365 DOI: 10.11909/j.issn.1671-5411.2015.06.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2015] [Revised: 09/01/2015] [Accepted: 09/16/2015] [Indexed: 11/21/2022] Open
Abstract
BACKGROUND Endomyocardial biopsy (EMB) is an important tool when patients with inflammatoric cardiomyopathy (DCMi) are evaluated. We aimed to assess the clinical profile of elderly patients with DCMi on EMB. METHODS Retrospective study of all consecutive patients hospitalized from January 2007 to December 2011 with clinical suspicion of DCMi undergoing EMB. Patients with evidence of DCMi on EMB (Group 1 ≥ 70 years, n = 85; Group 3 < 70 years; n = 418) were compared to patients of the same age group without evidence of DCMi on EMB (Group 2 ≥ 70 years, n = 45; Group 4 < 70 years; n = 147). RESULTS Among 24,275 patients treated at our institution during the study period, 695 had clinical suspicion of DCMi and underwent EMB; 503 (2.1%) patients had DCMi on EMB. There were more male patients in Group 1, mean age was 74 ± 2.8 years, mean ejection fraction was 38% ± 14%. On presentation, signs of hemodynamic compromise (NYHA functional class III/IV, low cardiac output/index, and low cardiac power index) were more frequent in Group 1. EMB revealed viral genome in 78% of the patients, parvovirus B19 (PVB) was frequently encountered in both age groups (Group 1: 69.4% vs. Group 2: 59.6%); detection of more than one viral genome was more frequent in Group 1 (21.2% vs. 11.2%; P = 0.02) whereas the extent of immune response was significantly lower in individuals with advanced age. CONCLUSIONS In patients ≥ 70 years with DCMi on EMB signs of hemodynamic compromise, detection of multiple viral genomes together with an overall lower extent of immune response were more frequently observed.
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Ohlow MA, Roos M, Lauer B, Von Korn H, Geller JC. Incidence, predictors, and outcome of inadvertent malposition of transvenous pacing or defibrillation lead in the left heart. Europace 2015; 18:1049-54. [PMID: 26462705 DOI: 10.1093/europace/euv270] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2015] [Accepted: 07/16/2015] [Indexed: 12/19/2022] Open
Abstract
AIMS Inadvertent lead malposition (ILM) in the left heart is a potential cause of thromboembolism and, therefore, a complication of heart rhythm device implantation [HRDI: pacemaker, implantable cardioverter defibrillator (ICD), cardiac resynchronization therapy (CRT)]. The aim of the study was to report the incidence and clinical outcome of ILM. METHODS AND RESULTS Postoperative lateral and posterior-anterior chest X-rays of all consecutive patients undergoing HRDI from 2007 through 2012 were retrospectively analysed. During the study period, 2579 patients underwent HRDI at our institution. ILM was present in six patients (0.34%, 50% male, mean age 71.5 ± 9.4 years). In one and four patients, malposition was in the left atrium and ventricle, respectively. In one case, the RV-lead was placed in a coronary sinus branch. In four patients, ILM was detected intra-operatively or in the early postoperative period. In the remaining two patients, malposition was not recognized and they suffered cerebral embolism 4 months and 1 year after implantation. ILM was corrected during the same hospital stay (four cases), or during follow-up by percutaneous extraction (two cases). Patients with ILM had significantly more scoliosis (16.7 vs. 0.17%; P = 0.01), congenital heart disease (CHD: 33.3 vs. 0.4%; P = 0.003), or prior surgery for CHD (16.7 vs. 0.5%; P = 0.03). The likelihood of ILM was also increased when HRDI was performed by an inexperienced operator (<100 HRDI; P < 0.01). CONCLUSION The incidence of ILM was 0.34% in our series. Scoliosis, CHD, prior correction of CHD, and limited operator experience were identified as risk factors.
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Gorki S, Ohlow MA. [56-years old male with unclear dilatation of the right heart]. Dtsch Med Wochenschr 2015; 140:563-4. [PMID: 25945906 DOI: 10.1055/s-0041-101399] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Ohlow MA, von Korn H, Lauer B. Characteristics and outcome of congenital left ventricular aneurysm and diverticulum: Analysis of 809 cases published since 1816. Int J Cardiol 2015; 185:34-45. [PMID: 25782048 DOI: 10.1016/j.ijcard.2015.03.050] [Citation(s) in RCA: 69] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/11/2014] [Revised: 01/19/2015] [Accepted: 03/03/2015] [Indexed: 12/11/2022]
Abstract
BACKGROUND Congenital left ventricular aneurysm (LVA) or diverticulum (LVD) is rare cardiac anomalies. We aimed to analyse the clinical characteristics and outcome in all ever published patients. METHODS MEDLINE, Web of science, Google and EMBASE, and reference lists of relevant articles were searched for publications reporting on LVA or LVD patients. RESULTS We identified 809 patients published since 1816 [354 (49.1%) LVA, 453 (50.6%) LVD, 2 (0.3%) both]. Mean age at diagnosis was 34.1±27 (LVA) and 29.7±27.6years (LVD; p=0.05). 48.9% were male. LVA was larger (38.7±22.5mm versus 31.4±21.2mm; p=0.002) and frequently found in submitral location (33% versus 4.9%; p<0.001), LVD was frequently located at the LV-apex (61.2% versus 28.7%; p<0.001). LVD was often associated with cardiac (34.2% versus 11%; p<0.001) or extracardiac anomalies (32.7% versus 3%; p<0.001). LVA patients presented more frequently with ventricular tachycardia/fibrillation (18.1% versus 13.1%; p=0.01), the incidences of rupture (4% versus 4.5%; p=0.9), syncope (8.3% versus 5.1%; p=0.1), and embolic events (4.9% versus 3.6%; p=0.4) at presentation were not different between LVA and LVD. Mean follow-up was 56.3±43months. Cardiac death occurred more frequently in the LVA group (11.5% versus 5.0%; p=0.05) at a median age of 0.8 [LVA] and 2.5 [LVD] years. The leading cause of cardiac death was congestive heart failure in the LVA-group (50.0% versus 0.0%; p=0.01), and rupture in the LVD-group (75.0% versus 27.3%; p=0.04). CONCLUSIONS LVA and LVD are distinct congenital anomalies with different clinical and morphological characteristics. The prognosis of LVA is significantly worse during long-term follow-up.
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Ohlow MA, Buchter B, Brunelli M, Lauer B, Schreiber M, Geller JC. [Prevention of pocket-related complications following heart rhythm device implantation. D-Stat Hemostat™ versus vacuum drainage]. Herzschrittmacherther Elektrophysiol 2015; 26:45-51. [PMID: 25644275 DOI: 10.1007/s00399-015-0349-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2014] [Accepted: 12/30/2014] [Indexed: 06/04/2023]
Abstract
BACKGROUND Pocket hematoma is a common complication after heart rhythm device implantation (HRD) in patients receiving anticoagulation and/or dual antiplatelet therapy (DAPT). METHODS We conducted a prospective case-control study and enrolled all patients admitted for HRD receiving anticoagulation or DAPT. Participants received D-Stat (a mixture of collagen and thrombin) into the pectoral pocket and were compared with an age- and gender-matched group receiving a vacuum drainage system. The primary endpoint was a composite of hematoma needing evacuation and pocket infection. RESULTS We included a total of 164 patients (mean age 73 ± 10.7 years; 118 [72 %] men). In all, 82 patients (50 %) received D-stat and 82 (50 %) vacuum drainage. There were 83 (51 %) patients who were treated with anticoagulation, 69 (42 %) patients received DAPT, and 11 (7 %) patients both. The primary endpoint occurred in 14.5 % (12/82) of patients in the D-Stat group and 0 % (0/82) of patients in the drainage group (p < 0.01). The use of D-Stat solution was associated with an increased incidence of pocket hematoma requiring evacuation (8.5 % versus 0 %; p = 0.01), and tended to an increased rate of pocket infections (6.1 % versus 0 %; p = 0.06). Postoperative immunoglobulin E levels (106 ± 219 IU/ml [D-Stat] versus 117 ± 189 IU/ml [drainage]) and increase of C-reactive protein (D-Stat: ∆19 mg/l versus drainage: ∆21 mg/l) were similar in both groups (p = 0.7 and p = 0.5, respectively). CONCLUSIONS Administration of D-Stat solution is associated with a higher rate of pocket hematoma requiring reoperation in a high risk population receiving anticoagulation and/or DAPT. The observed rate of pocket infections in the D-Stat group is a matter of concern.
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Ohlow MA, Wong V, Brunelli M, von Korn H, Farah A, Memisevic N, Richter S, Tukhiashvili K, Lauer B. Acute coronary syndrome without critical epicardial coronary disease: prevalence, characteristics, and outcome. Am J Emerg Med 2014; 33:150-4. [PMID: 25468136 DOI: 10.1016/j.ajem.2014.10.048] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2014] [Revised: 10/24/2014] [Accepted: 10/29/2014] [Indexed: 10/24/2022] Open
Abstract
BACKGROUND Absence of significant epicardial coronary artery stenosis in patients with acute onset of chest pain and elevation of myocardial necrosis markers is occasionally observed. The aim of this study was to retrospectively analyze the clinical characteristics and the outcome of such patients. METHODS All patients with myocardial infarction (MI) but without significant coronary artery stenosis (≥50%) on angiography from May 2002 to April 2011 were compared with patients undergoing percutaneous coronary intervention due to non-ST-elevation MI (NSTEMI). RESULTS Of 4311 consecutive patients with MI, 272 patients (6.3%) did not show significant coronary artery stenosis (group I) and were compared with 253 NSTEMI patients (group II). Younger age (61.9±14.0 vs 65.4±12.0 years; P=.003), female sex (49.3% vs 28.9%; P<.001), less severe anginal symptoms (Canadian Cardiovascular Society class III/IV 41.9% vs 49.8%; P=.05), lower level of myocardial necrosis marker (1.9±6.7 vs 27.4±68.7 ng/mL [troponin], 3.3±4 vs 14.2±20 mmol/L [creatine kinase]; P<.001 for both), and higher left ventricular ejection fraction (58.7%±12.6% vs 48.1%±12.4%; P<.01) were associated with group I patients. At a mean follow-up of 22.3±22.9 months, all-cause and cardiac mortality was lower in group I patients (4.9% vs 14.3%; and 2.9% vs 10.1%; P<.01, for both). Event-free survival was more frequent in group I patients (58.4% vs 28.8%; P<.0001) and inversely related to the troponin level. CONCLUSIONS Absence of significant coronary stenosis accounts for a minority of patients presenting with MI and is associated with a better outcome compared to patients with NSTEMI, and the prognosis is inversely related to the troponin level.
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Ohlow MA, Brunelli M, Lauer B. Characteristics and outcome of primary congenital left ventricular aneurysm and diverticulum: analysis of cases from the literature. Prenat Diagn 2014; 34:893-9. [DOI: 10.1002/pd.4389] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2013] [Revised: 03/23/2014] [Accepted: 04/14/2014] [Indexed: 11/07/2022]
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Ohlow MA, Lauer B. Coarctation of aorta with complete aortic occlusion. JOURNAL OF GERIATRIC CARDIOLOGY : JGC 2014; 10:383-5. [PMID: 24454333 PMCID: PMC3888922 DOI: 10.3969/j.issn.1671-5411.2013.04.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/05/2013] [Revised: 10/18/2013] [Accepted: 10/25/2013] [Indexed: 11/18/2022]
Abstract
Survival to advanced age is exceptional in patients with unrepaired aortic coarctation. We report the case of an 81-year-old man with aortic coarctation and total occlusion who was otherwise asymptomatic. Coarctation was suspected when a femoral-radial pulse delay was noted during his routine physical examination. A 70-mmHg systolic blood pressure gradient between the upper and lower extremities was detected. Subsequent magnetic resonance angiography, aortography, and coronary angiography revealed severe coarctation of the aorta, well-developed collateral vessels, and severe coronary artery disease. A staged percutaneous coronary intervention procedure was performed and the coarctation was managed conservatively with antihypertensive medication.
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Ohlow MA, von Korn H, Gunkel O, Farah A, Fuhrmann JT, Lauer B. Incidence of adverse cardiac events 5 years after polymer-free sirolimus eluting stent implantation: Results from the prospective Bad Berka Yukon Choice™ registry. Catheter Cardiovasc Interv 2013; 84:1080-6. [DOI: 10.1002/ccd.25272] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/18/2013] [Revised: 08/29/2013] [Accepted: 10/18/2013] [Indexed: 11/10/2022]
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Lotze U, Kirsch U, Ohlow MA, Scholle T, Leonhardi J, Lauer B, Oltmanns G, Schmidt H. Cryptogenic transient ischemic attack after nose blowing: association of huge atrial septal aneurysm with patent foramen ovale as potential cause. Int J Gen Med 2013; 6:545-8. [PMID: 23861594 PMCID: PMC3704401 DOI: 10.2147/ijgm.s43294] [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] [Indexed: 11/23/2022] Open
Abstract
Association of atrial septal aneurysm (ASA) with patent foramen ovale (PFO) is considered an important risk factor for cardioembolism frequently forwarding paradoxical embolism in patients with cryptogenic or unexplained cerebral ischemic events. We herein describe the case of a 69-year-old male patient reporting uncontrolled movements of the right arm due to a muscle weakness, slurred speech, and paresthesia in the oral region some seconds after he had blown his nose. These neurological symptoms had improved dramatically within a few minutes and were completely regressive at admission to our hospital about two hours later. On transesophageal echocardiography (TEE) a huge ASA associated with PFO was detected. Diagnosis of the large-sized ASA was also confirmed by cardiac magnetic resonance imaging. Due to the early complete recovery from his neurological symptoms, the patient was diagnosed with a transient ischemic attack (TIA). After nine days he was discharged in a good clinical condition under the treatment with oral anticoagulation. It is concluded that in cryptogenic or unexplained stroke or TIA TEE should always be performed to rule out ASA and PFO as potential sources for paradoxical embolism in those inconclusive clinical situations.
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Ohlow MA, Gey EM, Lauer B. Subacute left ventricular free wall rupture following acute myocardial infarction. Turk Kardiyol Dern Ars 2013; 41:268. [PMID: 23703570 DOI: 10.5543/tkda.2013.90868] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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Ohlow MA, Lauer B, Brunelli M, Daralammouri Y, Geller C. The Use of a Quadripolar Left Ventricular Lead Increases Successful Implantation Rates in Patients with Phrenic Nerve Stimulation and/or High Pacing Thresholds Undergoing Cardiac Resynchronisation Therapy with Conventional Bipolar Leads. Indian Pacing Electrophysiol J 2013; 13:58-65. [PMID: 23573059 PMCID: PMC3594899 DOI: 10.1016/s0972-6292(16)30605-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
Background Phrenic nerve stimulation (PNS) and high pacing thresholds (HPT) hinder biventricular stimulation in patients (pts) undergoing cardiac resynchronization therapy (CRT). A new quadripolar left ventricular (LV) lead (Quartet 1458Q, St. Jude Medical) with increased number of pacing configuration, might overcome this problem. Methods All consecutive pts in whom a standard bipolar lead intraoperatively resulted in PNS and/or HPT (≥4.00V/1mV), received, during the same implant, a quadripolar LV lead. Aim of the study was to evaluate acute and short term outcome. Results 26 pts [24 (92%) male, mean age 74±6 years)] with PNS (22 pts; 85%) and HPT (4 pts; 15%) were included. Permanent right ventricular pacing was the reason for broad QRS complex in 4 (15%) pts, whereas all other pts had a left bundle branch block. Severely symptomatic (NYHA Class ≥3) heart failure with reduced ejection fraction (EF 31±9%) was mostly caused by ischemic heart disease (14 pts; 54%). Idiopathic dilated cardiomyopathy and valvular heart disease were diagnosed in 6 (23%) pts each. In most (24/26, 92%) pts the use of the Quartet lead led to successful biventricular pacing due to a significant reduction in intraoperative pacing threshold (5.2V/1.0ms vs. 1.4V/0.8ms; p=0.03), which was maintained (1.2V/0.7ms) at follow-up. PNS never represented reason for failed LV pacing, neither acutely nor during follow-up. Conclusion Excessively HPT and/or PNS are frequently encountered when conventional bipolar leads are used for CRT. A new quadripolar LV lead increases the rate of successful biventricular stimulation. Lower pacing threshold and freedom from PNS are maintained at follow-up.
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