Journal of Musculoskeletal Trauma

Treatment of Open Tibial Shaft Fractures using Unreamed Nailing: Jong Keon Oh, Chang Wug Oh, Kwon Jae Roh, Duk Moon Chung; J Korean Fract Soc 2005;18(1):22-28. Published online January 31, 2005; DOI: https://doi.org/10.12671/jkfs.2005.18.1.22

PURPOSE
To report the results of unreamed nailing using a nail with the largest possible diameter for the management of the open tibial shaft fractures.
MATERIALS AND METHODS
Nineteen patients with open tibial shaft fractures underwent unreamed nailing with the largest possible diameter according to the isthmic diameter measured on preoperative radiography. There were 1 Grade I, 6 Grade II, 9 Grade IIIa, 3 Grade IIIb open fractures. There were 4 type A, 12 type B, 3 type C fractures according to the OTA classification. Fractures were classified as The nail was introduced after gentle passage of a 7 to 8 millimeter-hand reamer.
RESULTS
Union was obtained in all cases. However 9 (47%) fractures required an additional procedures before union. In 6 cases, dynamization was done. Two of them were required exchange nailing for nonunion, 1 of two gained bony union through additional bone graft. Three of the others had gained union through exchange nailing, bone graft, bone transport respectively. There were one rotational malunion, one superfical and one deep infection. Interlocking screw breakage developed only in one patient.
CONCLUSION
Our data indicate that unreamed nailing in the management of open tibial fractures is safe and reliable method. Using a tight fitting nail with the largest possible diameter is a safe and effective way to avoid the problems of screw breakage.

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Treatment of Type IIIb Open Tibial Fractures
Seong Yeon Lim, Il Jae Lee, Jae Ho Joe, Hyung Keun Song
Journal of the Korean Fracture Society.2014; 27(4): 267. CrossRef
Management of Open Tibial Fractures: Role of Internal Fixation
Yerl-Bo Sung
Journal of the Korean Fracture Society.2007; 20(4): 349. CrossRef

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Grade III Tibia Open Fractures Treated with Unreamed Tibial Nailing: Chang Wug Oh, Hee Soo Kyung, Do Heon Kim, Il Hyung Park, Poong Taek Kim, Joo Chul Ihn, Yeon Ki Woo, Jung Yup Lee; J Korean Fract Soc 2004;17(2):148-152. Published online April 30, 2004; DOI: https://doi.org/10.12671/jkfs.2004.17.2.148

Abstract PDF

PURPOSE
This is a retrospective study to analyze the results of unreamed intramedullary nailing in grade III tibial open fracture.
MATERIALS AND METHODS
Twenty-nine Gustilo-Anderson grade III tibial open fractures fixed with unreamed tibial nail were followed more than one year. Primary union rate, union time, infection, conversion to external fixation, ankle and knee function according to different grade of open, fracture level, AO classification, and muscle flap were evaluated.
RESULTS
Primary union was achieved at sixteen fractures. There were three delayed union that achieved union twenty week after primary operation. And eight undergone secondary bone grafts which were done after inflammation sign subcided. Complications about infection were in five cases. Two cases were unable to maintain internal fixation due to deep infection, and three of superficial infection were treated with repeated debridement and antibiotics use.
CONCLUSION
In grade III tibial open fracture, unreamed nailing with early soft tissue reconstruction and early prophylactic bone graft can be a good treatment.

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Citations to this article as recorded by

Management of Open Fracture
Gu-Hee Jung
Journal of the Korean Fracture Society.2010; 23(2): 236. CrossRef
Management of Open Tibial Fractures: Role of Internal Fixation
Yerl-Bo Sung
Journal of the Korean Fracture Society.2007; 20(4): 349. CrossRef

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A Comparative Study of Reamed and Unreamed Nail for Femoral Shaft Fracture's Treatment: Hee gon Park, Myoung ho Kim, Mun jib Yoo, Woo sup Byun; J Korean Soc Fract 2003;16(2):169-176. Published online April 30, 2003; DOI: https://doi.org/10.12671/jksf.2003.16.2.169

Abstract PDF: PURPOSE
The comparative analysis of clinical difference between the use of reamed nail and unreamed nail in treatment of femoral shaft fracture.
MATERIALS AND METHODS
In 105 patients with femoral shaft fracture who were treated with reamed nail or unreamed nail between June of 1997 and April of 2000, 95 patients who underwent more than a year of follow-up were selected. Winquist-Hansen criteria was applied for the classification of fracture. Based on the medical records and radiological examinations, conducted a retrospective, statistical analysis of the duration of operation, the amount of bleeding during operation, the first time of callus formation, union time, and complications.
RESULTS
The average duration of operation was 107 minutes for reamed nail group, and 94 minutes for unreamed nail group, and the difference was statistically significant (p<0.005). The amount of bleeding during the operation was 400 mL for reamed nail group and 250 mL for unreamed nail group, and the difference was statistically significant (p<0.001). There was no statistical difference in the first time of callus formation and union time between the two groups but, in general union time tend to be long in unreamed nail group.
CONCLUSION
In the treatment of femoral shaft fracture, the use of unreamed nail was shown to have an advantage over the use of reamed nail in terms of the duration of operation and the amount of bleeding. We recommend restrictive cases.

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Comparison of the results between reamed and unreamed femoral nailing: Bum Soo Kim, Sung Do Cho, Yong Sun Cho, Tae Woo Park, Sogu Lew, Hyung Jin Cho, Soo Hyun Cho; J Korean Soc Fract 2001;14(2):208-213. Published online April 30, 2001; DOI: https://doi.org/10.12671/jksf.2001.14.2.208

Abstract PDF: PURPOSE
To evaluate the effectiveness between reamed and unreamed nailing in the treatment of femoral shaft fracture.
MATERIALS AND METHODS
Among the patients of femoral shaft fracture who were treated with reamed and unreamed nail, we reviewed 49 patients whose follow-up was possible for more than 1 year. The patients were divided into two groups: the reamed and the unreamed group. We reviewed union time, nonunion rate, complication and operation time and compared the effectiveness.
RESULTS
The average union time was 30.6 weeks in unreamed group and 27.8 weeks in reamed group, which was not different statistically. There were 5 cases of nonunion in 22 unreamed cases and 3 cases in 27 reamed cases, which meant no statistical difference. There was no significant difference of complications between the two groups. The mean operation time was 141 minutes in reamed group and 110 minutes in unreamed group, which meant statistical difference.
CONCLUSION
There was no significant difference in union time, nonunion rate and comlication between reamed and unremed group. The operation time was shorter in unreamed group, so unreamed nailing can be preferred in the treatment of multiply injured patient.

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Treatment of the Femoral Shaft FracturesUsing Unreamed Interlocking Intramedullary Nail: Chang Wook Oh, Joo Chul Ihn, Poong Taek Kim, Shin Yoon Kim, Hee Soo Kyung, Chung Hyun Lee; J Korean Soc Fract 2000;13(4):832-836. Published online October 31, 2000; DOI: https://doi.org/10.12671/jksf.2000.13.4.832

Abstract PDF: PURPOSE
To evaluate the usefulness of unreamed nailing inthe treatment of femoral shaft fractures.
MATERIALS AND METHODS
Between March 1996 and June 1998, unreamed nailing with closed method was done for 74 patients with 82 femoral shaft fractures. The main indications for this treatment were multiple injury or isolated femoral fracture above Winquist type II. The influence of Winquist- Hansen classification, anatomical location, and open injury over bone union and the influence of injury severity score over general complication including fat embolism were investigated.
RESULTS
Primary union occurred in 76 cases(93%) with 6 cases of nonunion and 10(12%) of delayed union, and mean time to union was 27 weeks. In open fractures, the union time was delayed(32 weeks) rather than closed fracture. In Winquist classification, there was no stastical importance on time to union, but nonunion was most common in Winquist type IV. Anatomical location has no influence on time to union. In the view point of multiple injury, the group above 18 points(31 patients) in injury severity score had none of fat embolism, but the group below 18 points(43 patients) had 2 patients.
CONCLUSION
The treatment of femoral shaft fractures by unreamed nailing had longer time to union with higher rate of delayed union, and we think that the theoretical advantage of decreasing pulmonary complications is controversial.

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Intramedullary pressure changes in reamed and unreamed nailing systems: an experimental study in cadaveric femoral bones: Chang Wug Oh, Joo Chul Ihn, Poong Taek Kim, Il Hyung Park, Sung Jung Kim, Chung Hyun Lee; J Korean Soc Fract 2000;13(3):631-637. Published online July 31, 2000; DOI: https://doi.org/10.12671/jksf.2000.13.3.631

Abstract PDF: PURPOSE
This study was designed to investigate whether intramedullary pressure is different in reamed compared with unreamed femoral nailing in cadeveric femoral bones. MATERIALS & METHODS: Eight pairs of fresh-frozen cadaveric femoral bones were studied. The diameter of isthmus was checked from 10mm to 14mm and the length of femur was checked from 35cm to 44cm. Intramedullary pressure was measured in the distal femoral shaft at the supracondylar region. Data were monitored in femoral nailing procedures. We utilized the AO universal nail(reamed) and AO unreamed femoral nail.
RESULTS
Intramedullary pressure increased in the reamed group to 423.8 mmHg(mean pressure) during reaming by starting reamer(9 mm) and in the unreamed group to 290 mmHg(mean pressure) during insertion of nails(p=0.001). In the unreamed groups, the next high intramedullary pressure is 136.6 mmHg during proximal reaming. A statistiscally significant difference in intramedullary pressure was found during the first reaming process in the reamed group compared with the proximal reaming process in the unreamed group(p=0.005).
CONCLUSION
The data indicate that the intramedullary pressure during unreamed nailing process is lower than reamed nailing process. So we can consider that the unreamed nailing in multiple fracture or pulmonary injured patients is a good modalities.

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Treatment Using Unreamed Intramedullary Nailing for Open Tibial Fractures: Chang Wug Oh, Hee Soo Kyung, Joo Chul Ihn, Byung Chul Park, Hyung Jin Park; J Korean Soc Fract 2000;13(2):281-288. Published online April 30, 2000; DOI: https://doi.org/10.12671/jksf.2000.13.2.281

Abstract PDF: PURPOSE
: this paper was to evaluate the treatment results in the viewpoint of bone union, union time, and complications including infection of unreamed nailing of pen tibial fractures.
MATERIALS AND METHODS
: We reviewed 46 open tibial shaft fractures that were treated with unreamed tibial nail. AO unreamed tibial nail was inserted after reduction under image intensifier control, Considering factors were severity of open wound, type and location of fractures.
RESULTS
: Average union time of open fractures was 21.3 weeks, nonunion rate was 2/46(4%). Average union tiome were 24.1, 19.7, 24, 24, 20 weeks in open grade I , II, IIIa, IIIb, IIIc fractures. According to the type of fractures, average union time were 20.4, 23.6, 25.7 weeks and nonunion rate were 0/22, 1/18, 1/6 in type A, B, C fractures. According to the level of fractures, average union time were 24.0, 20.0, 24.1 weeks in proximal, middle, and distal fractures. There was no signficant differences in average period of radiologic union, infection rate and nonunion rate according to fracture level, open grade, but longer union time and higher nonunion rate were observed in complex and comminuted fractures(p<0.05).
CONCLUSION
: With adequate soft tissue treatment, the unreamed intramedullary nailing can be a good treatment modality for open tibial shaft fractures, even to grade IIIB.

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