Full Text Journal Articles by
Author Mustafa Citak

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Sonication of explants enhances the diagnostic accuracy of synovial fluid and tissue cultures and can help determine the appropriate antibiotic therapy for prosthetic joint infections.

Orkhan Aliyev, Fatih Yıldız, Hakan Batuhan Kaya, Aghamazahir Aghazada, Bilge Sümbül, Mustafa Citak, İbrahim Tuncay,

<h4>Purposes</h4>This study aimed to evaluate the sensitivity and specificity of the sonication cultures according to the International Consensus Meeting 2018 criteria and to evaluate the effect of sonication on the antibiotic treatment of patients.<h4>Methods</h4>Sixty-four patients who were scheduled for revision hip or knee arthroplasties were included in the study. Aspiration ... Read more >>

Int Orthop (International orthopaedics)
[2022, :]

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Survival analysis of one-stage exchange of infected unicompartmental knee arthroplasty: a single-center study with minimum 3 years follow-up.

Hakan Kocaoğlu, Fabian Hennes, Hussein Abdelaziz, Michael E Neufeld, Thorsten Gehrke, Mustafa Citak,

<h4>Purpose</h4>The rates of unicompartmental knee arthroplasty (UKA) are increasing yet little data exists regarding management of periprosthetic joint infections (PJI) after UKA, particularly utilizing one-stage revision. The aim of this study was to determine the septic and all-cause revision-free survival of UKA PJIs treated with one-stage revision, as well as ... Read more >>

Eur J Orthop Surg Traumatol (European journal of orthopaedic surgery & traumatology : orthopedie traumatologie)
[2022, :]

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Enhancing the radiological classification system from the distal femur to the proximal tibia

Vincenzo de Matteo, Felipe Forero, Sophia Marlene Busch, Philip Linke, Peter Wilhelm, Kristof Rademacher, Thorsten Gehrke, Mustafa Citak,

<h4>Introduction: </h4> The inner diaphyseal diameter of the distal femur, at 20 cm from the lateral joint line, is the strongest risk factor for predicting aseptic loosening in total knee arthroplasty using rotating hinge prosthesis. In this context, the Citak classification has been introduced presenting three different types of the ... Read more >>

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Favourable outcomes of repeat one-stage exchange for periprosthetic joint infection of the hip.

Emanuel F Liechti, Michael E Neufeld, Fernando Soto, Philip Linke, Sophia-Marlene Busch, Thorsten Gehrke, Mustafa Citak,

<h4>Aims</h4>One-stage exchange for periprosthetic joint infection (PJI) in total hip arthroplasty (THA) is gaining popularity. The outcome for a repeat one-stage revision THA after a failed one-stage exchange for infection remains unknown. The aim of this study was to report the infection-free and all-cause revision-free survival of repeat one-stage exchange, ... Read more >>

Bone Joint J (The bone & joint journal)
[2022, 104-B(1):27-33]

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What is the rate of reinfection with different and difficult-to-treat bacteria after failed one-stage septic knee exchange?

Mustafa Akkaya, Georges Vles, Iman Godarzi Bakhtiari, Amir Sandiford, Jochen Salber, Thorsten Gehrke, Mustafa Citak,

<h4>Purpose</h4>Re-operation after septic failure of a one-stage exchange for prosthetic joint infection (PJI) of the knee is a highly challenging procedure with concerns over residual bone stock, soft tissues, and stability. The associated changes in microbiology in cases of reinfection are still largely unknown.<h4>Methods</h4>A comprehensive analysis was performed of all patients ... Read more >>

Int Orthop (International orthopaedics)
[2022, :]

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The anatomical shape of the distal femur is an independent risk factor for aseptic loosening following one-stage septic knee revision using rotating hinge knee prosthesis.

Timo Scholz, Mustafa Akkaya, Philip Linke, Sophia-Marlene Busch, Thorsten Gehrke, Jochen Salber, Mustafa Citak,

<h4>Purpose</h4>Aseptic loosening (AL) is the second most common reason for failure after one-stage septic knee revision. In this context, the goal of the study is to identify risk factors for AL following one-stage septic knee revision using rotating hinge implants. We aimed to answer the following research question: How does ... Read more >>

Arch Orthop Trauma Surg (Archives of orthopaedic and trauma surgery)
[2022, :]

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Validity of the Novel Radiological Classification System of the Distal Femur.

Mustafa Akkaya, Mehmet Emin Simsek, Serhat Akcaalan, Ceyhun Caglar, Safa Gursoy, Mustafa Citak,

<h4>Objective</h4>Aseptic loosening (AL) is among the most important causes of failure after total knee arthroplasty (TKA). However, while there are numerous underlying causes of AL, the morphometry of the distal femur and intramedullary canal has not been sufficiently demonstrated. This study aimed to show the interobserver and intraobserver reliability and ... Read more >>

Z Orthop Unfall (Zeitschrift fur Orthopadie und Unfallchirurgie)
[2021, :]

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What Is the Impact of Automated Synovial Cell Counting on Different Aseptic Causes and Periprosthetic Conditions Associated with Revision THA?

Hussein Abdelaziz, Alaa Aljawabra, Markus Rossmann, Calvin Shum Tien, Mustafa Citak, Till Orla Klatte, Thorsten Gehrke,

<h4>Background</h4>Studies have suggested that automated synovial cell counting may overestimate the white blood cell (WBC) count, resulting in false positive tests when evaluating patients for the possibility of periprosthetic joint infection (PJI) after THA. However, associations between WBC counts high enough to mimic PJI in patients whose arthroplasties are not ... Read more >>

Clin Orthop Relat Res (Clinical orthopaedics and related research)
[2021, :]

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What Is the Mid-term Survivorship of Infected Rotating-hinge Implants Treated with One-stage-exchange?

Malte Ohlmeier, Fadi Alrustom, Mustafa Citak, Jochen Salber, Thorsten Gehrke, Jannik Frings,

<h4>Background</h4>Despite the growing number of studies reporting on periprosthetic joint infection (PJI), there is little information on one-stage exchange arthroplasty for the revision of infected rotating-hinge prostheses, which can be among the most difficult PJI presentations to treat.<h4>Questions/purposes</h4>After one-stage direct exchange revision for an infected rotating-hinge TKA prosthesis, and using ... Read more >>

Clin Orthop Relat Res (Clinical orthopaedics and related research)
[2021, 479(12):2714-2722]

Cited: 2 times

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Resection of the proximal femur during one-stage revision for infected hip arthroplasty : risk factors and effectiveness.

Hussein Abdelaziz, Michael Schröder, Calvin Shum Tien, Kahled Ibrahim, Thorsten Gehrke, Jochen Salber, Mustafa Citak,

<h4>Aims</h4>One-stage revision hip arthroplasty for periprosthetic joint infection (PJI) has several advantages; however, resection of the proximal femur might be necessary to achieve higher success rates. We investigated the risk factors for resection and re-revisions, and assessed complications and subsequent re-revisions.<h4>Methods</h4>In this single-centre, case-control study, 57 patients who underwent one-stage ... Read more >>

Bone Joint J (The bone & joint journal)
[2021, 103-B(11):1678-1685]

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Septic Failure After One-Stage Exchange for Prosthetic Joint Infection of the Hip: Microbiological Implications.

Iman Godarzi Bakhtiari, Georges Vles, Sophia-Marlene Busch, Lars Frommelt, Thorsten Gehrke, Jochen Salber, Mustafa Citak,

<h4>Background</h4>The microbiological implications of septic failure after 1-stage exchange for prosthetic joint infection (PJI) of the hip remain unclear.<h4>Methods</h4>Information was gathered on comorbidities, previous procedures, preoperative and postoperative microbiology results, methods of detection, and antibiotic resistance patterns, for all patients, who developed septic failure after 1-stage exchange for PJI of ... Read more >>

J Arthroplasty (The Journal of arthroplasty)
[2022, 37(2):373-378]

Cited: 1 time

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Silver Coatings in Reconstructive Orthopaedics: Basic Science and Clinical Rationale.

Bryce N Clinger, Helmut D Link, Dustin L Richter, Daniel Kendoff, Mustafa Citak, Nemandra Amir Sandiford,

Prosthetic joint infection (PJI) is one of the most devastating complications that can occur following total hip and total knee arthroplasty. Despite the remarkable advances that have been made in surgical techniques and implant technology, the incidence of PJI has remained largely unchanged over the past two decades. One approach ... Read more >>

Surg Technol Int (Surgical technology international)
[2021, 39:413-417]

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The Clinical Outcome of Different Total Knee Arthroplasty Designs in One-Stage Revision for Periprosthetic Infection.

Malte Ohlmeier, Fadi Alrustom, Mustafa Citak, Tim Rolvien, Thorsten Gehrke, Jannik Frings,

<h4>Background</h4>Despite the growing number of studies reporting on the best surgical treatment in the management of periprosthetic joint infection, there are no robust data regarding the type of infected prosthesis before any kind of exchange arthroplasty. To overcome these shortcomings, we asked the following questions: (1) What is the survivorship ... Read more >>

J Arthroplasty (The Journal of arthroplasty)
[2022, 37(2):359-366]

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Risk factors for mortality following one-stage septic hip arthroplasty - a case-control study.

Sophia-Marlene Busch, Mustafa Citak, Mustafa Akkaya, Felix Prange, Thorsten Gehrke, Philip Linke,

<h4>Purpose</h4>Despite good clinical outcomes and a high success rate, there is a comparatively high mortality after one stage septic exchange of total hip arthroplasty. The aim of this study was to identify risk factors for mortality in the hospitalization period after one-stage septic exchange of THA.<h4>Methods</h4>We retrospectively analyzed in our ... Read more >>

Int Orthop (International orthopaedics)
[2021, :]

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Challenges to the orthopedic resident workforce during the first wave of COVID-19 pandemic: Lessons learnt from a global cross-sectional survey.

Aju Bosco, Hui Wen Tay, Ilyas Aleem, Mustafa Citak, Nalli Ramanathan Uvaraj, Jong-Beom Park, Morio Matsumoto, Oliver Marin-Penna, Janakiraman Buvanesh, Moin Khan, Hwee Weng Dennis Hey,

<h4>Background</h4>The COVID-19 pandemic has caused unprecedented concerns on the safety, well-being, quality of life(QOL), and training of the orthopedic resident physician workforce worldwide. Although orthopedic residency programs across the globe have attempted to redefine resident roles, educational priorities, and teaching methods, the global orthopedic residents' perspective with regards to their ... Read more >>

J Orthop (Journal of orthopaedics)
[2021, 27:103-113]

Cited: 1 time

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Diagnostic utility of open biopsy in patients with two culture-negative aspirations in the diagnostic work-up of periprosthetic joint infection.

Ianiv Klaber, Fabian Scholz, Mustafa Citak, Akos Zahar, Thorsten Gehrke, Carl Haasper, Nael Hawi, Christian Lausmann,

<h4>Introduction</h4>Different approaches have been proposed for bacterial identification in patients with a suspected periprosthetic joint infection (PJI). If a one-stage procedure is considered, a higher rate of preoperative bacterial identification can be achieved if biopsy is included in the diagnostic work-up. The performance of open biopsy (OB) in the context ... Read more >>

Arch Orthop Trauma Surg (Archives of orthopaedic and trauma surgery)
[2021, :]

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Tranexamic acid is safe and effective in patients with heterozygous factor V Leiden mutation during total joint arthroplasty.

Ali Levent, Ozkan Kose, Philip Linke, Thorsten Gehrke, Mustafa Citak,

<h4>Introduction</h4>Patients with an inherent hypercoagulable state are at a higher risk of venous thromboembolism (VTE) following total joint arthroplasty (TJA). Further administration of tranexamic acid (TXA) during TJA may increase the risk of VTE in these high-risk patients. There is no study that specifically analyzes the safety and efficacy of ... Read more >>

Arch Orthop Trauma Surg (Archives of orthopaedic and trauma surgery)
[2021, :]

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Correction to: Short-term mortality after primary and revision total joint arthroplasty: a single-center analysis of 103,560 patients.

Felix Prange, Alina Seifert, Pongsiri Piakong, Thorsten Gehrke, Dario Guttowski, Sophia-Marlene Busch, Jochen Salber, Mustafa Citak,

Arch Orthop Trauma Surg (Archives of orthopaedic and trauma surgery)
[2021, 141(8):1433]

Cited: 1 time

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Could intermittent change of conventional dressing affect risk of periprosthetic joint infection after primary total joint arthroplasty?

Orkhan Aliyev, Aghamazahir Aghazada, Cemil Burak Demirkıran, Gökçer Uzer, Mustafa Citak, İbrahim Tuncay, Fatih Yıldız,

<h4>Purpose</h4>Periprosthetic joint infection (PJI) is one of the most dreaded and challenging complications after total joint arthroplasty (TJA). The aim of this study was to evaluate the effect of keeping the dressing without change on the occurrence of PJI in patients undergoing TJA.<h4>Methods</h4>4877 Patients with a minimum follow-up of 90 days ... Read more >>

Arch Orthop Trauma Surg (Archives of orthopaedic and trauma surgery)
[2021, :]

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Which International Consensus Meeting Preoperative Minor Criteria is the Most Accurate Marker for the Diagnosis of Periprosthetic Joint Infection in Hip and Knee Arthroplasty?

Ali Levent, Michael E Neufeld, Pongsiri Piakong, Christian Lausmann, Thorsten Gehrke, Mustafa Citak,

<h4>Background</h4>The accurate preoperative diagnosis of periprosthetic joint infection (PJI) is critical. The aim of this study was to evaluate the diagnostic accuracy and performance of the 2018 International Consensus Meeting (ICM) preoperative minor criteria for the diagnosis of chronic PJI in total hip and knee arthroplasty.<h4>Methods</h4>We retrospectively reviewed 260 patients ... Read more >>

J Arthroplasty (The Journal of arthroplasty)
[2021, 36(11):3728-3733]

Cited: 1 time

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Blood transfusion and venous thromboembolism trends and risk factors in primary and aseptic revision total hip and knee arthroplasties: A nationwide investigation of 736,061 cases.

Elke Jeschke, Mustafa Citak, Andreas M Halder, Karl-Dieter Heller, Fritz U Niethard, Peter Schräder, Josef Zacher, Hanna Leicht, Jürgen Malzahn, Christian Günster, Thorsten Gehrke,

<h4>Background</h4>Over the last years, new transfusion guidelines and pharmaceuticals have been introduced in primary and revision total hip and knee arthroplasty (P-THA, P-TKA, R-THA, R-TKA). In the US, a substantial decrease in transfusions has been observed in recent years. Little data exists on the subject in Europe. In this context ... Read more >>

Orthop Traumatol Surg Res (Orthopaedics & traumatology, surgery & research : OTSR)
[2021, :102987]

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[Manual addition of antibiotics to industrial bone cement mixes : Investigations of the dry mix in the cement cartridge during manual admixture to polymer-active substance mixtures].

Mustafa Citak, Stefan Luck, Philip Linke, Thorsten Gehrke, Klaus-Dieter Kühn,

<h4>Background</h4>Periprosthetic infection (PPI) is a rare but serious complication. An elementary component of the therapy of PPI is the use of bone cement with the addition of antibiotics. For targeted therapy, manual mixing of antibiotics with industrially produced bone cement mixtures is often necessary. Possible problems resulting from manual mixing have ... Read more >>

Orthopade (Der Orthopade)
[2022, 51(1):44-51]

Cited: 1 time

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Variability in stem taper surface topography affects the degree of corrosion and fretting in total hip arthroplasty.

Kilian Elia Stockhausen, Christoph Riedel, Alex Victoria Belinski, Dorothea Rothe, Thorsten Gehrke, Felix Klebig, Matthias Gebauer, Michael Amling, Mustafa Citak, Björn Busse,

Degradation at the modular head-neck interface in total hip arthroplasty (THA) is predominately expressed in the form of corrosion and fretting, potentially causing peri-prosthetic failure by adverse reactions to metal debris. This retrieval study aimed to quantify variations in stem taper surface topographies and to assess the influence on the ... Read more >>

Sci Rep (Scientific reports)
[2021, 11(1):9348]

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What to Do When Revision Procedures Fail to Prevent Recurrent Hip Dislocation in THA? A Novel Simple Technique for Selected Patients.

Hans Mau, Mustafa Citak, Thorsten Gehrke, Hussein Abdelaziz,

Failure to achieve postoperative stability is disappointing for both surgeons and patients after revision total hip arthroplasty. In particular, when available revision options have been exhausted. We describe our modification of previously reported surgical techniques without revising any component in a high-risk female patient with persistent hip dislocation despite multiple ... Read more >>

Arthroplast Today (Arthroplasty today)
[2021, 8:89-91]

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Risk Factors for Aseptic Loosening After Total Knee Arthroplasty with a Rotating-Hinge Implant: A Case-Control Study.

Ali Levent, Eduardo M Suero, Thorsten Gehrke, Mustafa Citak,

<h4>Background</h4>Successful results have been reported in association with the use of a rotating-hinge prosthesis for primary total knee arthroplasty (TKA). The objective of the present study was to identify risk factors for aseptic loosening in patients who underwent primary TKA with rotating-hinge knee prostheses.<h4>Methods</h4>The records of 1,235 patients who underwent ... Read more >>

J Bone Joint Surg Am (The Journal of bone and joint surgery. American volume)
[2021, 103(6):517-523]

Cited: 1 time

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