Publications by authors named "Christian Zapf"

Objective: Traditional training and teaching have advised against mixing varying metal types to avoid the potential for in vivo galvanization and corrosion. The objective of this study was to retrospectively analyze patients who have undergone operative reconstruction with mixed metal (MM) constructs to report any related complications.

Methods: Design: Retrospective case series.

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Introduction: The purpose of this systematic review and meta-analysis was to provide an update of the recent literature comparing clinical outcomes of surgically treated fibular fractures using intramedullary nailing (IMN) with open reduction and internal plate fixation (ORIF).

Methods: A literature search reporting clinical outcomes after IMN or ORIF of the distal fibula was conducted on PubMed. Inclusion criteria consisted of original studies; studies focusing on clinical outcomes after IMN or IMN and ORIF published before May 11, 2022; studies with at least 5 patients; and studies reporting union rates, complication rates, and patient-reported outcomes such as American Orthopaedic Foot and Ankle Society (AOFAS) and Olerud-Molander scores.

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Article Synopsis
  • The study evaluates the equatorial talar line (ETL) as a reliable indicator for predicting the severity of calcaneal fractures (specifically Sanders type III and IV) and lateral wall blowouts using radiographic imaging.
  • The reliability of the ETL was measured using intraclass correlation coefficient (ICC) and receiver operating characteristic (ROC) analysis, showing high reliability scores (ICC of 1.0) and good sensitivity (0.82 for fractures and 0.81 for blowouts).
  • The conclusion emphasizes that the ETL is a consistent and useful radiographic metric for differentiating between less severe and more serious types of calcaneus fractures based on its position in lateral ankle X-rays.
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Background: Carboxyl-ester lipase (CEL) contributes to fatty acid ethyl ester metabolism, which is implicated in alcoholic pancreatitis. The CEL gene harbours a variable number of tandem repeats (VNTR) region in exon 11. Variation in this VNTR has been linked to monogenic pancreatic disease, while conflicting results were reported for chronic pancreatitis (CP).

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Background: Necrotising pancreatitis, and particularly infected necrosis, are still associated with high morbidity and mortality. Since 2011, a step-up approach with lower morbidity rates compared to initial open necrosectomy has been established. However, mortality and complication rates of this complex treatment are hardly studied thereafter.

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