Surgical treatment of metastatic tumors of the femur.

OBJECTIVE: To evaluate the patients functional outcome and pain control after resection of metastatic femoral tumors. MATERIAL AND METHODS: A prospective randomized clinical study was conducted, which included 26 cases of metastatic tumors of the femur with an associated pathologic fracture. These selected cases were randomly divided into two groups based upon the using of methylmethacrylate cement in fracture fixation. Group 1 (n=13) included all cases where the fractures were treated with bone cement augmentation. Group 2 (n=13) included all cases where the fractures were treated without bone cement augmentation. Functional outcome was evaluated according the American Musculoskeletal Tumor Society system. RESULTS: Good and excellent pain control was achieved in 61.5%, satisfactory in 38.5% of all cases in the Group 1 versus 15.5% (P=0.015) and 69% (chi(2)=2.4762; P=0.115) of all cases in the Group 2. Functional outcome after femoral metastasis resection and pathologic fracture fixation was significantly better in the Group 1. Total lower extremity function of full normal function was 67% in the Group 1 versus 49% in the Group 2 (P<0.05). We did not observe significant difference between patients' postoperative survival in the groups (P>0.05). The postoperative durability of stable pathologic fracture fixation was shorter in the Group 2 (273.9+/-51.7 vs. 358.9+/-116.8 days) comparing with Group 1 (P=0.03). CONCLUSIONS: The introduction of bone cement as the adjunct to the pathologic femoral fracture fixation significantly improved the clinical our study results: we achieved better functional outcome and better pain control.

[Surgical treatment of humeral metastatic tumors]. / Chirurginis zastikaulio metastaziniu naviku gydymas.

OBJECTIVE: To evaluate the functional outcome and pain control in patients after resection of humeral metastases. MATERIAL AND METHODS: A prospective randomized study of 24 cases of metastatic disease of the humerus with an associated pathologic fracture was carried out. The selected cases were divided into two groups based on the using methylmethacrylate cement for fracture fixation. Group 1 (n=12) included all cases in which the fracture was treated with bone cement augmentation. Group 2 (n=12) included all cases in which the fracture was treated without bone cement augmentation. Functional outcome was evaluated according to the American Musculoskeletal Tumor Society system. RESULTS: Good and excellent pain control was achieved in 95% of cases in both groups. Functional outcome after resection of humeral metastases and pathological fracture fixation was significantly better in Group 1. Total function in five patients (45%) accounted for 86% and in three patients (25%) for 83% of full normal upper extremity function, whereas in Group 2, total function in six patients (50%) accounted for 70% and in three patients (25%) for 83% of full normal upper extremity function. The rate of fixation failure was significantly greater in Group 2, where fixation instability was observed in 50% (n=6) of cases (P=0.03). There were no significant differences in complication rate (in 50% of cases, mechanical instability occurred after fixation with intramedullary nail and in 50% of cases after fixation with plates). CONCLUSIONS: The introduction of bone cement as an adjunct to fixation of pathologic fracture improved clinical results and reduced the rate of fixation failure.

[The assessment of clinical evaluation and treatment results of high-energy blunt polytrauma patients]. / Dideles energijos buka trauma patyrusiu pacientu klinikinio tyrimo duomenu ir gydymo rezultatu ivertinimas.

UNLABELLED: The aim of this study was to evaluate the mechanism of high-energy blunt trauma, age and gender of patients, severity of regional and multiple injury, ventilation time, length of stay in intensive care unit and in-hospital stay, in-hospital complications, and treatment outcome. MATERIALS AND METHODS: Data on 159 patients with severe multiple injuries, meeting inclusion criteria, were collected prospectively and evaluated retrospectively. RESULTS: The mean age of multiple trauma patients was 43.9+/-1.4 years; males were injured 2.5 times more often than females (P<0.001). More than half (66.7%) of patients were 17-64-year-old males. Majority (83%) of all patients were injured in motor vehicle crashes, and 52.2% of these patients were pedestrians. The mean Injury Severity Score was 29.5+/-0.8, and severe (Abbreviated Injury Scale score of 3 and more) injuries of extremities, head, and chest made up 69.1% of all injuries. The mean ventilation time, mean length of stay in intensive care unit, and mean in-hospital stay were 5.5+/-0.7, 7.0+/-0.8, and 23.6+/-1.6 days, respectively. Acute lung complications were the most common (25.2%). Systemic inflammatory response syndrome developed in 7.5% of patients, and sepsis in 3.8% of patients. More than one-fifth (20.8%) of polytrauma patients died. CONCLUSIONS: Working-age male pedestrians (17-64 years old) made up two-thirds of all polytrauma patients. Severe injuries of extremities, head, and chest were present in 69.1% of all cases. Lung complications were the most common.

The treatment of multiple injuries: prehospital emergency aid.

OBJECTIVE: To evaluate initial (prehospital) assessment and management of high-energy blunt polytrauma patients. MATERIAL AND METHODS: Prehospital assessment and management of high-energy blunt polytrauma patients was analyzed. The extent of initial assessment and management was compared with Advanced Trauma Life Support recommendations. RESULTS: Altogether, 101 (63.05%) of 159 polytrauma patients (mean Injury Severity Score was 28.04) were admitted to Kaunas University of Medicine Hospital by the Emergency Aid Service after motor vehicle traffic accidents. In comparison with Advanced Trauma Life Support recommendations initial assessment (ABCDE) reached 14% and management reached 10.6%. CONCLUSIONS: Initial assessment of high-energy blunt polytrauma patients reached 14% and management reached 10.6% of that recommended by Advanced Trauma Life Support.

A prospective randomized clinical study of mosaic osteochondral autologous transplantation versus microfracture for the treatment of osteochondral defects in the knee joint in young athletes.

PURPOSE: The purpose of this study was to compare the outcomes of mosaic-type osteochondral autologous transplantation (OAT) and microfracture (MF) procedures for the treatment of the articular cartilage defects of the knee joint in young active athletes. TYPE OF STUDY: Prospective randomized clinical study. METHODS: Between 1998 and 2002, a total of 60 athletes with a mean age of 24.3 years (range, 15 to 40 years) and with a symptomatic lesion of the articular cartilage in the knee were randomized to undergo either an OAT or an MF procedure. Only those athletes playing in competitive sports at regional or national levels were included in the study. Fifty-seven athletes (95%) were available for a follow-up. There were 28 athletes in the OAT group and 29 athletes in the MF group. The mean duration of symptoms was 21.32 +/- 5.57 months and the mean follow-up was 37.1 months (range, 36 to 38 months), and none of the athletes had prior surgical interventions to the affected knee. Patients were evaluated using modified Hospital for Special Surgery (HSS) and International Cartilage Repair Society (ICRS) scores, radiograph, magnetic resonance imaging (MRI), and clinical assessment. An independent observer performed a follow-up examination after 6, 12, 24, and 36 months. At 12.4 months postoperatively, arthroscopy with biopsy for histologic evaluation was carried out. A radiologist and a pathologist, both of whom were blinded to each patient's treatment, did the radiologic and histologic evaluations. RESULTS: After 37.1 months, both groups had significant clinical improvement (P < .05). According to the modified HSS and ICRS scores, functional and objective assessment showed that 96% had excellent or good results after OAT compared with 52% for the MF procedure (P < .001). At 12, 24, and 36 months after surgery, the HSS and ICRS showed statistically significantly better results in the OAT group (P = .03; P = .006; P = .006). Younger athletes did better in both groups. No serious complications were reported. There was 1 failure in the OAT group and 9 in the MF group. The ICRS Cartilage Repair Assessment for macroscopic evaluation during arthroscopy at 12.4 months showed excellent or good repairs in 84% after OAT and in 57% after MF. Biopsy specimens were obtained from 58% of the patients and histologic evaluation of repair showed better scores (according to ICRS) for the OAT group (P < .05). MRI evaluation showed excellent or good repairs in 94% after OAT compared with 49% after MF. Twenty-six (93%) OAT patients and 15 (52%) MF patients returned to sports activities at the preinjury level at an average of 6.5 months (range, 4 to 8 months). Others showed a decline in sports activity level. CONCLUSIONS: At an average of 37.1 months (range, 36 to 38 months) follow-up, our prospective, randomized, clinical study in young active athletes under the age of 40 has shown significant superiority of OAT over MF for the repair of articular cartilage defects in the knee. We found that only 52% of MF athletes could return to sports at the preinjury level. Limitations of our study included a small number of athletes and a relatively short (3-year) follow-up. A long-term follow-up is needed to assess the durability of articular cartilage repair using these methods in young active athletes. LEVEL OF EVIDENCE: Level I, Therapeutic study, randomized controlled trial, significant difference (a).

[First clinical experience with nonreamed intramedullary nailing in Lithuania]. / Ikalama intrameduline vinis su skersiniu sutvirtinimu (pirmoji didesne klinikine patirtis Lietuvoje).

Long bone diaphyseal fractures are very common. Limited choice of implants for treatment of these fractures in Lithuania often leads to unsatisfactory treatment results and complications. Unreamed intramedullary nailing is relatively simple and effective method for treatment of severely injured patients. Using this method early stabilization and rehabilitation, decreased number of complications, and shortened stay in hospital can be ensured. Indications, technique and early results of first fifty intramedullary fixations with unreamed nails performed in the Clinic of Orthopedics and Traumatology, Kaunas University of Medicine are presented.

[Primary non-Hodgkin's lymphoma of bone]. / Pirmine kaulu ne Hodgkino limfoma.

Primary lymphoma of bone is a rare condition that has been described as a malignant neoplasm formed of lymphoid and myelopoetic tissues. Morphologic substrate is formed of lymphoid cells of different evolutional stages. Primary lymphoma of bone occurs predominantly in males; a male to female ratio is 1.8:1. It may occur at any age. The sites commonly affected are the long bones. In Lithuania 400 new cases of lymphoma are diagnosed every year. About 75% of them are non-Hodgkin's lymphoma. Many histological types and subtypes of lymphoma exist. This variation leads to difficulties when reviewing the literature and comparing prognoses, treatment and oncologic outcomes. Treatment options for primary bone lymphoma historically have included local therapy with radiation or surgery with or without systemic therapy. The aim of surgery is prophylactic fixation of impending fractures or treatment of pathological fractures. We present a clinical case report of 40-year-old male who developed primary lymphoma of bone with pathological fracture of femur. The systemic chemotherapy was applied during the time of treatment. The choice of surgical treatment was intramedullary nailing without using of methylmethacrylate, because regeneration of bone was visible on roentgenograms. After twelve-month follow-up the patient is full weight bearing without external support.