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ArticleEuropean journal of orthopaedic surgery & traumatology : orthopedie traumatologie2026

Impact of limited intramedullary reaming versus unreamed technique in short proximal femoral nail anti-rotation for intertrochanteric fractures: a matched retrospective study.

Napol Ratanasermsub, Chavarin Amarase, Peerapat Jongsukkijpanich, Thanaphum Osothcharoenphol, Sirasit Innarkgool, Supacheep Viriyakorkitkul, Saran Tantavisut

Abstract readComparative Study
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Article in European journal of orthopaedic surgery & traumatology : orthopedie traumatologie, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

7 authors.

Napol RatanasermsubDepartment of Orthopaedics, King Chulalongkorn Memorial Hospital, The Thai Red Cross Society, Bangkok, Thailand.
Chavarin AmaraseCenter of Excellence in Hip Fracture, Department of Orthopaedics, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand.
Peerapat JongsukkijpanichDepartment of Orthopaedics, Faculty of Medicine, Prince of Songkla University, Songkhla, Thailand.
Thanaphum OsothcharoenpholDepartment of Orthopaedics, King Chulalongkorn Memorial Hospital, The Thai Red Cross Society, Bangkok, Thailand.
Sirasit InnarkgoolDepartment of Orthopaedics, King Chulalongkorn Memorial Hospital, The Thai Red Cross Society, Bangkok, Thailand.
Supacheep ViriyakorkitkulDepartment of Orthopaedics, Ratchaburi hospital, Ratchaburi, Thailand.
Saran TantavisutCenter of Excellence in Hip Fracture, Department of Orthopaedics, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand. super_petch@yahoo.com.ORCID https://orcid.org/0000-0002-3767-4653

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeShort proximal femoral nail antirotation (PFNA) fixation is commonly performed for intertrochanteric fractures and is typically inserted without reaming. However, limited reaming may be required in cases of a narrow femoral canal, severe femoral bowing, or inadvertent selection of an oversized nail. Unlike long nails, reaming for short PFNA is confined to the isthmus, and its effects have not been well described. This study aimed to evaluate the association between limited reaming during short PFNA fixation and clinical outcomes.

methodsWe conducted a retrospective matched cohort study of patients aged ≥ 65 years who underwent short PFNA fixation for intertrochanteric fractures at a university-affiliated tertiary care center between January 2020 and August 2025. Patients were matched in a 1:3 ratio (limited reamed vs. unreamed) by age, sex, body mass index, ASA classification, and OTA/AO fracture type. Operative variables, perioperative hematologic parameters, transfusion requirements, length of hospital stay (LOS), radiographic fracture healing time, mortality, and postoperative complications were compared.

resultsA total of 30 limited reamed and 90 unreamed patients were analyzed, with comparable baseline characteristics. The limited reamed group had a longer operative time (98.2 ± 27.9 vs. 80.0 ± 23.7 min; P = 0.001) and greater intraoperative blood loss (232.3 ± 143.5 vs. 169.2 ± 102.2 mL; P = 0.03). There were no differences in nail diameter, hematocrit decline, total transfusion volume, LOS, fracture healing time, mortality rate, or complications rate between the two groups (all P > 0.05). Follow-up beyond 3 months was 86.7%, and mean follow-up duration was comparable between groups.

conclusionsThe unreamed technique should be considered the preferred approach in most cases of short proximal femoral nail antirotation fixation. Limited canal reaming was associated with longer operative time and greater intraoperative blood loss. Therefore, limited reaming should be reserved for situations in which it is necessary to facilitate safe nail insertion, such as in patients with challenging canal anatomy or when an oversized nail is inadvertently selected. LEVEL OF EVIDENCE: Therapeutic Level III.

Indexed as

Bone NailsFracture Fixation, IntramedullaryHip FracturesAgedAged, 80 and overBlood Loss, SurgicalFemaleFracture HealingHumansLength of StayMaleOperative TimePostoperative ComplicationsProximal Femoral FracturesRetrospective StudiesRotationHip fractureIntertrochanteric fractureLimited reamedProximal femoral nail antirotationReamedUnreamed

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.