Publications by authors named "Fruth K"

Background: The relative advantages and disadvantages of 2-stage versus 1-stage management of infection following total hip arthroplasty (THA) are the current subject of intense debate. To understand the merits of each approach, detailed information on the short and, importantly, longer-term outcomes of each must be known. The purpose of the present study was to assess the long-term results of 2-stage exchange arthroplasty following THA in one of the largest series to date.

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: Sinonasal malignancies are rare and highly diverse cancers that pose significant diagnostic challenges due to their variable histological features and complex anatomical locations. Accurate diagnosis is critical for guiding treatment, yet conventional methods often require multiple biopsies. This study aimed to evaluate the potential of confocal laser endomicroscopy (CLE) for real-time imaging of sinonasal tumors to characterize specific features of different entities and improve diagnostic precision.

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Article Synopsis
  • The study aimed to compare the Modular Dual Mobility (MDM) hip system and large femoral heads (LFHs) in revision total hip arthroplasties (THAs), focusing on risks like dislocation and metal-related complications.
  • Researchers analyzed 299 revision THAs and found that the MDM group had a significantly lower rate of re-revision for dislocation (99% survival) compared to the LFH group (91% survival), with increased risks for LFH patients.
  • Overall, THAs utilizing the MDM construct demonstrated a safer profile, particularly in reducing re-revisions related to dislocation and had no reported issues with metallosis or corrosion.
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  • Thyroglossal duct cysts (TGDCs) at the tongue base can be difficult to manage surgically and may result in recurrence; this study examines the effectiveness of high-resolution ultrasound in their diagnosis compared to surgical findings.
  • The research included 50 patients, using ultrasound to identify the presence of thyroid tissue within TGDCs, finding that histological analysis revealed thyroid tissue in nearly half of those who underwent surgery.
  • Results indicated that ultrasound is a reliable and safe imaging method, aiding in surgical planning, and allowed for preoperative detection of thyroid tissue, which can inform potential cancer concerns.
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Background: When indicating patients for primary total knee arthroplasty (TKA), surgeons and patients must understand the absolute and relative risks of periprosthetic joint infection (PJI) to make an informed decision. We sought to evaluate the long-term risk of PJI following primary TKA stratified by body mass index (BMI) and PJI-related risk factors.

Methods: We identified 25,160 primary TKAs performed from 2000 to 2021 at a single institution.

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Building upon the rising value of Confocal Laser Endomicroscopy (CLE) in squamous cell carcinoma of the head and neck, we present the first application of CLE during the resection of sinonasal malignant melanomas. This study aims to evaluate the potential of CLE to assist surgeons in intraoperative decision-making, with a particular focus on resection margin assessment within the constrained nasal cavity. Two cases of sinonasal malignant melanoma were included in this study.

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Background: There is a paucity of data beyond 15 years on the survivorship of total hip arthroplasty since the introduction of highly cross-linked polyethylene (HXLPE) liners. Our aim was to evaluate implant survivorship, liner wear rates, and clinical outcomes after primary total hip arthroplasty using HXLPE liners implanted between 1999 and 2002.

Methods: Between 1999 and 2002, 690 primary total hip arthroplasties utilizing 28-mm femoral heads and HXLPE liners of a single design were identified using our institutional total joint registry.

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Background: Porous tantalum acetabular cup and augment constructs have demonstrated favorable outcomes up to 5 years postsurgery despite severe bone loss during revision total hip arthroplasty (THA). Prior literature lacks long-term studies with substantial case numbers. This study aims to assess long-term clinical and radiographic outcomes 10 years postsurgery in patients undergoing revision THA with porous tantalum acetabular cup-augment constructs and determine factors associated with long-term survivorship.

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Background: To make an informed decision about total hip arthroplasty (THA), surgeons and patients need to understand the absolute and relative risks of periprosthetic joint infection (PJI). We sought to evaluate the long-term risk of PJI following primary THA stratified by body mass index (BMI) and PJI-related risk factors.

Methods: We identified 21,550 primary THAs performed from 2000 to 2021 at a single institution.

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Background: Chronic rhinosinusitis with nasal polyps (CRSwNP) is a type‑2 inflammatory disease of the upper airways, with severe impairment of quality of life. Persons affected by NSAID-exacerbated respiratory disease (NERD) usually present with highly dynamic recurrence of polyps and disease despite prior treatment with sinus surgeries, oral corticosteroids, and aspirin desensitization (ATAD). Biologic therapy has fundamentally changed the choice of therapeutic concept; however, limited data exist on subgroups such as NERD patients.

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(1) Background: Confocal laser endomicroscopy (CLE) has emerged as a transformative tool in head and neck surgery, with applications spanning oncologic insights and functional evaluations. This study delves into CLE's potential in these domains. (2) Methods: We performed CLE in head and neck oncologic surgery, focusing on tumor margin identification and precise resection.

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Background: The role of medications to prevent arthrofibrosis following total knee arthroplasty (TKA) remains unclear. We investigated the effect of common oral medications with reported antifibrotic properties on preventing arthrofibrosis and manipulation under anesthesia (MUA) following primary TKA.

Methods: Using our total joint registry, 9,771 patients (12,735 knees) who underwent TKA with cemented, posterior-stabilized, and metal-backed tibial components from 2000 to 2016 were identified.

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Background: Many risk factors have been described for periprosthetic femur fracture (PPFFx) following total hip arthroplasty (THA), yet a patient-specific risk assessment tool remains elusive. The purpose of this study was to develop a high-dimensional, patient-specific risk-stratification nomogram that allows dynamic risk modification based on operative decisions.

Methods: We evaluated 16,696 primary nononcologic THAs performed between 1998 and 2018.

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Background: Spinal anesthesia is increasingly used in complex patient populations including revision total hip arthroplasties (THAs). This study aimed to investigate the pain control, length of stay (LOS), and complications associated with spinal versus general anesthesia in a large institutional series of revision THAs.

Methods: We retrospectively identified 4,767 revision THAs (4,533 patients) from 2001 to 2016 using our institutional total joint registry.

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Background: During the last two years, three different monoclonal antibodies have been approved in many countries for the treatment of patients suffering from severe chronic rhinosinusitis with nasal polyps (CRSwNP). Their efficacy has been demonstrated through large double-blind placebo-controlled clinical studies. Until now, only very limited reports on real-world data regarding this therapy have been published.

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Background: Metabolic syndrome (MetS) is an increasingly frequent condition characterized by insulin resistance, abdominal obesity, hypertension, and dyslipidemia. This study evaluated implant survivorship, complications, and clinical outcomes of primary TKAs performed in patients who have MetS.

Methods: Utilizing our institutional total joint registry, 2,063 primary TKAs were performed in patients with a diagnosis of MetS according to the World Health Organization criteria.

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Background: Extended oral antibiotic prophylaxis (EOA) has been shown to reduce infection after high-risk primary total hip arthroplasties (THAs) and reimplantations. However, data are limited regarding EOA after aseptic revision THAs. This study evaluated the impact of EOA on infection-related outcomes after aseptic revision THAs.

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Background: While common, studies assessing outcomes of failed metal-on-metal (MoM) resurfacings converted to total hip arthroplasties (THAs) are limited. We determined the outcomes following revision THA of aseptic MoM hip resurfacings.

Methods: Between 2000 and 2019, we identified 52 revision THAs for failed MoM hip resurfacings through our total joint registry.

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Background: The specific advantages of spinal anesthesia compared with general anesthesia for primary total hip arthroplasty (THA) remains unknown. Therefore, this study aimed to investigate the pain control, length of stay, and postoperative outcomes associated with spinal anesthesia compared with general anesthesia in a large cohort of primary THAs from a single, high-volume academic institution.

Methods: We retrospectively identified 13,730 primary THAs (11,319 patients) from 2001 to 2016 using our total joint registry.

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Background: Extended oral antibiotic prophylaxis (EOA) has been shown to potentially reduce infection rates after high-risk primary total knee arthroplasties (TKAs) and reimplantations. However, data is limited regarding EOA after aseptic revision TKAs. This study evaluated the impact of EOA on infection-related outcomes after aseptic revision TKAs.

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Background: Metabolic syndrome (MetS) represents a constellation of interrelated conditions including insulin resistance, abdominal obesity, hypertension, and dyslipidemia. The goals of this study are to determine the impact of MetS on implant survivorship, complications, and clinical outcomes after primary total hip arthroplasty (THA).

Methods: Utilizing our institutional total joint registry, 1,268 patients undergoing primary THA were identified with MetS based on the World Health Organization definition and matched 1:1 to those without MetS based on age, gender, and surgical year.

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Background: Septic arthritis of the native knee often results in irreversible joint damage leading to the need for total knee arthroplasty (TKA). The purpose of the present study was to examine the intermediate-term risk of periprosthetic joint infection (PJI), aseptic revision, and reoperation following primary TKA in patients with a history of septic arthritis of the native knee as compared with primary TKA performed for the treatment of osteoarthritis.

Methods: We retrospectively identified 215 primary TKAs performed from 1971 to 2016 at a single institution in patients with a history of septic arthritis of the native knee.

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Background: The objective of this study was to determine how thoracic surgeons manage intraoperative esophagectomy positive margins and how these decisions may relate to overall survival and progression-free survival in esophageal cancer.

Methods: A survey was sent to thoracic surgeons to understand the management of intraoperative positive esophagectomy margins. Primary data at two high-volume esophageal cancer institutions from 1994 to 2017 were retrospectively reviewed to identify patients who had intraoperative positive frozen section margins during esophagectomy.

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Purpose: Historically, the standard of care for total skin electron beam therapy (TSEBT) delivered 30 to 36 Gy over 5 to 10 weeks. Given the high risk of relapse, a majority of patients require additional treatments. Therefore, attempts to use a shortened course of TSEBT have been investigated.

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Background: We sought to compare the dysplasia detection rate of high-definition white light endoscopy (HDWLE) with that of chromoendoscopy in patients with long-standing inflammatory bowel disease (IBD).

Methods: This is a retrospective observational cohort of patients with IBD who underwent surveillance colonoscopy between October 1, 2016 and September 30, 2017. We assessed the association between dysplasia detection and multiple variables.

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