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| 1 | Direct anterior approach hip arthroplasty:How to reduce complications-A 10-years single center experience and literature review显示文摘BACKGROUND The direct anterior approach for total hip arthroplasty(DAA-THA)is increasing in popularity due to some advantages such as less surgical trauma,minimal dissection of soft tissues,shorter rehabilitation times,faster return to daily activities,lower incidence of dislocation.On the other hand,the literature reports a high rate of intraoperative complications,with many different rates and complication types in the published papers.AIM To analyze our complications comparing results with the literature;to report measures that we have taken to reduce complications rate.METHODS All DAA-THA patients with one year minimum follow up who were operated at a single high-volume centre,between January 2010 and December 2019 were included in this retrospective study.All surgeries were performed using cementless short anatomical or straight stems and press fit cups.Patients’followup was performed,at 6 wk,3 mo,then annually post-surgery with clinical and radiological evaluation.Primary outcomes were stem revision for aseptic loosening and all-cause stem revision.Second outcome was intra-operative and post-operative complications identification.RESULTS A total of 394 patients underwent DDA-THA from January 2010 and December 2019,for a total of 412 hips;twelve patients lost to follow-up and one patient who died from causes not related to surgery were excluded from the study.The average age at the time of surgery was 61 years(range from 28 to 78 years).Mean follow-up time was 64.8 mo(range 12-120 mo).Seven stems were revised.One cortical perforation,one trochanteric and lateral cortical wall intraoperative fracture,one diaphyseal fracture,three clinically symptomatic early subsidence and one late aseptic loosening.We also observed 3 periprosthetic fractures B1 according to the Vancouver Classification.Other minor complications not requiring stem revision were 5 un-displaced fractures of the calcar region treated with preventive cerclage,one early infection,one case of late posterior dislocation,18 case of asymptomatic stem subsidence,6 cases of lateral cutaneous femoral nerve dysesthesia.CONCLUSION DAA is associated to good outcomes and lower incidence of dislocation.Complication rate can be reduced by mindful patient selection,thorough preoperative planning,sufficient learning curve and use of intraoperative imaging. | Fabrizio Rivera Luca C Comba Alessandro Bardelli | 2022 | World Journal of Orthopedics2022，13，4： | 2 |
| 2 | Clinical significance of'anti-HBc alone'in human immunodeficiency virus-positive patients显示文摘AIM:To determine the prevalence and clinical relevance of isolated antibodies to hepatitis B core antigen as the only marker of infection('anti-HBc alone')among human immunodeficiency virus(HIV) type-1 infected patients.Occult hepatitis B infection frequency was also evaluated. METHODS:Three hundred and forty eight histories from 2388 HIV-positive patients were randomly reviewed.Patients with serological markers of hepatitis B virus(HBV)infection were classified into three groups:past hepatitis,'anti-HBc alone'and chronic hepatitis.Determination of DNA from HBV,and RNA and genotype from hepatitis C virus(HCV)were performed on'anti-HBc alone'patients. RESULTS:One hundred and eighty seven(53.7%) HIV-positive patients had markers of HBV infection: 118 past infection(63.1%),14 chronic hepatitis (7.5%)and 55'anti-HBc alone'(29.4%).Younger age[2.3-fold higher per every 10 years younger;95% confidence intervals(CI)1.33-4.00]and antibodies to HCV infection[odds ratio(OR)2.87;95%CI 1.10-7.48]were factors independently associated with the'anti-HBc alone'pattern.No differences in liver disease frequency were detected between both groups. Serum levels of anti-HBs were not associated with HCV infection(nor viral replication or HCV genotype),or with HIV replication or CD4 level.No'anti-HBc alone' patient tested positive for HBV DNA. CONCLUSION:'Anti-HBc alone'prevalence in HIVpositive patients was similar to previously reported data and was associated with a younger age and with antibodies to HCV infection.In clinical practice,HBV DNA determination should be performed only in those patients with clinical or analytical signs of liver injury. | M~aTeresa Pérez-Rodríguez Bernardo Sopea Manuel Crespo Alberto Rivera Teresa González del Blanco Antonio Ocampo César Martínez-Vázquez | 2009 | World Journal of Gastroenterology2009，15，10： | 2 |
| 3 | T-bet-dependent S1 P5 expression in NK cells promotes egress from lymph nodes and bone marrow显示文摘 | Jenne C N Enders A Rivera R | 2009 | The Journal of experimental medicine2009，206，11： | 1 |
| 4 | Musa genetic diversityrevealed by SRAP and AFLP显示文摘 | Youssef M James A C Rivera M R | 2011 | Molecular Biotechnology2011，47，3： | 1 |
| 5 | Relationship between bone marrow failure syndromes and the presence of glycophosphatidyl inositol-anchored protein-deficient clones显示文摘 | Maciejewski JP Rivera C Kook H | 2001 | Br J Haematol2001，115，4： | 1 |
| 6 | Isolation and characterization of nine microsatellite loci from the Hawaiian grouper Epinephelus quernus(Serranidae)for population genetic analyses显示文摘 | Rivera M A J Graham G C Roderick G K | 2003 | Marine Biotechnology2003，5，2： | 1 |
| 7 | Image segmentation based on merging of sub-optimal segmentations显示文摘 | Pichel J C Singh D E Rivera F F | 2006 | Pattern Recognition Letter2006，27，10： | 1 |
| 8 | Kupffer cell oxidant production in central to the mechanism of peroxisome proliferators显示文摘 | Rose M L Rivera C A Bradford B U | 1999 | Carcinogenesis1999，20，1： | 1 |
| 9 | Mathematical mod- eling of fluid flow in a water physical model of an aluminum degas- sing ladle equipped with an impeller-injector显示文摘 | GOMEZ E R ZENIT R RIVERA C G | 2013 | Metallurgical and Materials Transactions2013，，： | 1 |
| 10 | Cystatin C and contrast- induced acute kidney injury显示文摘 | Briguofi C Visconti G Rivera NV | 2010 | Circulafion2010，121，19： | 1 |
| 11 | Cation-chloride co-transporters in neuronal communication, development and trauma显示文摘 | Payne JA Rivera C Voipio J et aI | 2003 | Trends Neurosci2003，26，4： | 1 |
| 12 | Manganese ac- cumulation in the CNS and associated pathologies 显示文摘 | RIVERA -MANCIA S RIOS C MONTES S | 2011 | Bio- metals2011，24，5： | 1 |
| 13 | Role of NKG2D in tumor cell lysis mediated by human NK cells: cooperation with natural cytotoxicity receptors and capability of recognizing tumors of nonep- ithelial origin显示文摘 | Pende D Cantoni C Rivera P | 2001 | Eur J Immunol2001，31，4： | 1 |
| 14 | Histological features with clinical impact in chronic allograft nephropathy: review of 66 cases显示文摘 | Vazquez Martul E Mosquera J M Rivera C F | 2004 | Transplantation Proceedings2004，36，3： | 1 |
| 15 | Role of NKG2D in tumor cell lysis mediated by human NK cells:cooperation with natural cytotoxicity receptors and capability of recognizing tumors of nonepithelial origin显示文摘 | Pende D Cantoni C Rivera P | 2001 | Eur J Immunol2001，31，4： | 1 |
| 16 | Global attractors for semilinear hyperbolic equation in viscoelasticity显示文摘 | Giorgi C Rivera J E M Pata V | 2001 | J Math Anal Appl2001，260，1： | 1 |
| 17 | Differential contribution of endothelial function to vascular reactivity in conduit and resistance arteries from deoxycorticosterone- salt hypertensive rats 显示文摘 | WHITE R M RIVERA C O DAVISON C B | 1996 | Hypertension1996，27，6： | 1 |
| 18 | Progression from hypertrophic to dilated eardiomyopathy in mice that express a mutant myosin transgene显示文摘 | Freeman K Colon -Rivera C Olsson MC Moore RL Weinberger HD Grepp IL Vikstrom KL Iaocarino G Koch WJ Leinwand LA | 2001 | Am J Physioi Heart Cite Physiol2001，280，1： | 1 |
| 19 | A growth factor-induced kinase phosphorylates the serum response factor at a site that regulates its DNA binding activity显示文摘 | Rivera V M Miranti C K Misra R P | 1993 | Mol Cell Biol1993，13，10： | 1 |
| 20 | Expression and cellular localization of prolactin and the prolactin receptor in mammalian retina显示文摘 | JOSE C RIVERA JORGE ARANDA | 2008 | Exp Eye Res2008，86，： | 1 |
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