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Aim To determine the success of endovenous laser ablation (EVLA) treatment and long-term occlusion of small saphenous vein (SSV), as well as factors and conditions that influence the effectiveness of EVLA treatment. Methods A total of 250 patients treated with EVLA method over a period of seven years were followed one year after treatment. The main factors monitored and recorded during EVLA treatment were laser power (W), amount of delivered energy (J), duration of treatment (sec), veins length (cm), diameter (mm) and reflux (sec). Results Within the first six months, the recanalization or insufficiently occluded SSV was noticed in ten, and after one year in one patient. The overall assessment of occlusion and satisfactory findings after one year of SSV was 95.6%. Conclusion It is important to choose adequate power and the amount of delivered energy. The physician's assessment and selection of an adequate patient greatly improves the outcome of the treatment. It is important to treat larger branches and double SSV between two fascias. Successful and effective EVLA treatment greatly reduces the possibility of recanalization of the treated vein.
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Aim To analyse the correlation between different surgical methodologies employed in valve diseases treatment and their subsequent impact on the duration of hospitalization. Methods This retrospective study conducted at the Clinical Centre of the University of Sarajevo analysed medical records of 163 valve disease patients treated between January 2019 and November 2022. The patients were divided into two groups: 77 had openheart valve surgery and 86 underwent minimally invasive cardiac surgery (MICS). Results The mean duration of the surgical procedures was 3.9±1.3 hours, with conventional open-heart surgery requiring an average of 3.6±1.1 hours and minimally invasive cardiac surgery (MICS) procedure 4.2±1.5 hours. No substantial disparities were found in the total length of hospitalization between the two groups, as both conventional (8.2±4.5 days) and MICS (8.7±7.0 days) demonstrated similar duration. Similarly, the total duration of intensive care unit (ICU) stay displayed similarity, with conventional surgery patients staying an average of 3.9±2.8 days and MICS patients of 4.2±4.1 days. The pattern of blood transfusion and fresh-frozen plasma usage revealed higher rates in the conventional valve surgery group comparing to the MICS group. Conclusion Minimally invasive valve surgery, despite slightly longer operative times, resulted in lower blood transfusion requirements and comparable hospitalization and ICU stay.
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Background: Coronary artery disease (CAD) is a major public health issue and a leading cause of death globally. It is one of the most common indications for surgical intervention. There are a lot of different techniques, including CABG, which consists of two approaches: sternotomy and mini-thoracotomy. Different techniques have been developed to improve surgical outcomes, including the use of machine for extracorporal circulation (on-pump) or without it (off-pump). Objective: The objective of this study was to assess whether off-pump CABG offers superior short-term outcomes compared to traditional on-pump CABG in patients undergoing isolated CABG.. Methods: In period between 2022 - 2023, we performed CABG operation in 80 patients. CABG was performed either on- pump or off-pump. Results: The results have shown advantages and disadvantages of one or another type of CABG. We were comparing the duration of surgical procedure, time on mechanical ventilation, drainage volume, neurological incidents, time to discharge, indication for repeat revascularization and mortality between two groups. Conclusion: The choice of surgical technique should be based on individual patient factors, including comorbidities and surgical risks. It is important to say that OPCABG is more challenging than ONCABG, and it is very important that OPCABG is done by skilled, experienced and confident surgeon, which contributes to better outcome and survival.
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Background: Cardiosurgical patients can be often anemic, and preoperative anaemia is associated with increased postoperative complications, as well as morbidity and mortality. Objective: The present study was conducted aiming to determine the influence of lower preoperative hematocrit values on the early postoperative recovery of patients undergoing elective off-pump coronary artery bypass grafting (OPCABG). Methods: Our retrospective study included 150 patients who underwent elective OPCABG surgery from September 2021 to December 2022 at the Clinic for Cardiovascular Surgery University of Sarajevo. Patients were divided into two groups, anemic and non-anemic, with anemia defined as hemoglobin level <130g/l males and <120g/l females. Study observed comorbidities and early postoperative data. Results: Overall prevalence of anemia in OPCABG patients was 36,6%, more frequent among older patients. Comorbidities as chronic obstructive pulmonary disease, hypertension, ejection fraction was quite similar in both groups, but body mass index was significantly higher in the group of patients with anemia (29.9% vs 28.4%). In early recovery period, vasopressors were more used in patients with anemia (63.6% vs 42.1%) and their doses were higher. Total drainage was higher in patients with anemia (744.45±45.72 ml vs 681.58±349.06 ml). Number of transfusions was higher in the group of patients with anemia: red blood cells (0.89±1.29 vs 0.29±0.84; p<0,05), fresh frozen plasma (0.65±1.13 vs 0.41±1.15; p<0,05) and platelets (0.11±0.57 vs 0,07±0.42; p>0,05). Duration of mechanical ventilation was longer in patients with anemia compared to non-anemic patients (623-91±259.83 minutes vs 469±191.13 minutes). Atrial fibrillation occurred more often in patients with anemia (12.7 vs 7.4%). Length of stay in the intensive care unit was without significant difference. Conclusion: Based on our findings, patients who underwent elective OPCABG with lower than normal hematocrit, needed more blood and blood products, more vasopressor drugs in higher doses, longer mechanical ventilation, all which can prolong the patient's recovery and increase the cost of treatment.
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Introduction: Decompressive craniectomy (DC) can save brain tissue, but unfortunately it has many limitations and complications. Hinge craniotomy (HC), as less aggressive method seems to be adequate alternative not only to DC but also to conservative treatment. Research question: Presentation of the results of modified surgical techniques of cranial decompression and comparing with more and less aggressive medical options. Material and methods: A prospective clinical study was conducted during 86 months. Comatose patients who suffered refractory intracranial hypertension (RIH) were treated. Altogether, 137 patients have been evaluated. The final outcome of all patients in the study was evaluated after 6 months. Results: Both surgical options resulted in adequate control of intracranial pressure (ICP). HC method was shown to have the lowest probability of worsening from a prior state of relative stability. Discussion and conclusion: There was no statistically significant difference between methods to treatment of DC or HC, meaning the final outcome of patients treated in any manner. There was similar rate of early and late complications.
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OBJECTIVE: Sacrococcygeal teratoma is an extragonadal germ cell tumor that develops during fetal and neonatal periods and is associated with significant perinatal morbidity and even mortality. This study aimed to determine the clinicopathologic characteristics, the clinical outcomes, and postoperative complications of sacrococcygeal teratoma cases in the low-volume pediatric surgery service in a developing country. MATERIALS AND METHODS: The study included data from all sacrococcygeal teratoma cases diagnosed from 2011 to 2020. All the relevant clinicopathologic data were recorded and analyzed. RESULTS: A total of 7 pediatric (5 females and 2 males) patients with sacrococcygeal teratoma were identified, ranging in age from 3 to 222 days. A prenatal diagnosis was made in 57.1% of cases. The mean gestational age for all cases was 37.1 weeks (34-38 weeks), and the mean birth weight was 3285 g (range, 2300-4700 g). Preoperative alpha-fetoprotein levels had a mean value of 24.327 ng/mL (range, 649.7-110.600 ng/mL). The surgery involved resection of the primary tumor and coccygectomy in all cases. Three (42.9%) tumors were classified as Altman type II lesions, 2 (28.6%) tumors were type IV, and 2 remaining cases were types I and III, respectively. Histology was benign in 4 (57.1%) and immature in 3 patients (42.9%). The mean follow-up time was 101.4 months (30-146 months), with 2 recurrences of high-grade immature teratomas at 11 and 30 months following the surgery. Three patients had postoperative bladder and rectal dysfunctions. CONCLUSION: Sacrococcygeal teratomas are rare tumors associated with frequent postoperative dysfunctions. Recurrences may also be seen, particularly in immature, high-grade forms of sacrococcygeal teratomas.
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BACKGROUND: Carotid endarterectomy (CEA) is an effective and safe treatment of stenosed carotid arteries, and is a preventive operation with well-defined indications. It is associated with a loss of the baroreceptor reflex and postoperatively increased hemodynamic parameters. OBJECTIVE: The aim of the study was to confirm the sensitivity of baroreceptors and the impact on arterial pressure and heart rate in unilateral and bilateral eversion carotid endarterectomies. METHODS: A retrospective study was conducted with 30 patients treated with E-CEA in local anesthesia at the Clinic for cardiovascular surgery from December 2019 to May 2021, due to stenosis of the carotid arteries. Patients were divided into two groups: 15 patients in group A (patients with unilateral E-CEA; 15 patients in group B: patients with bilateral E-CEA). RESULTS: Out of the total of 30 patients included in the research, 15 patients in groups A and B respectively, there were no statistically significant differences in regards to gender (p= 0,245) and preoperative risk factors: smoking (p=0,449); hypertension (p=0,388); diabetes (p= 0,714); hyperlipidemia (p=0.388), coronary disease (p=0.461) and symptomatic stenosis of the carotid arteries (p=0.449). Noted were the statistically significant differences in values of systolic and diastolic pressure on the 3rd postoperative days in patients with bilateral E-CEA (p=0,001; p=0,001), a statistically significant difference in the heart rate was not found in the analyzed groups in the postoperative period (p=0,225; p=0,994). CONCLUSION: This study identified statistically significant differences in values of systolic and diastolic pressure in the early postoperative period. In his period, early detection and correction of these hemodynamic disorders are needed.
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Estenosis Carotídea , Endarterectomía Carotidea , Estenosis Carotídea/cirugía , Hemodinámica , Humanos , Periodo Posoperatorio , Estudios Retrospectivos , Factores de Riesgo , Resultado del TratamientoRESUMEN
Aim To determine preferable type of treatment in our clinical circumstances by following two groups of patients with critical limb ischemia (CLI), who were treated endovascularly and surgically. Methods Research was carried out in the form of a prospective study of 80 patients with CLI and Trans-Atlantic Inter-Society Consensus (TASC) C or D type of arterial disease, with American Society of Anesthesiology (ASA) class III risk, who were randomly divided in two groups as per the treatment they received, surgical and endovascular. Patients were followed during 28 months using clinical examination and Duplex Ultrasound (DUS) in accordance with prescheduled control visits. Results There was a statistical difference between surgical and endovascular group in two years patency (82.5% vs. 55%; p=0.022) but it did not result in the difference in amputation free survival (AFS) (95% vs. 85%; p=0.171) or two-year freedom from major adverse limb events (MALE) (87.5 vs. 77.5; p=0.254). Also, there was no difference in the overall survival of patients (100% vs. 97.5%; p=0.317). Conclusion Initial endovascular treatment is a preferred form of the treatment for selected patient population.
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Enfermedad Arterial Periférica , Amputación Quirúrgica , Humanos , Isquemia/cirugía , Estimación de Kaplan-Meier , Recuperación del Miembro , Enfermedad Arterial Periférica/cirugía , Estudios Prospectivos , Estudios Retrospectivos , Factores de Riesgo , Resultado del TratamientoRESUMEN
The aim of the study was to investigate if preoperative blood flow velocity in femoral vein in different positions of the hip during total hip arthroplasty (THA) is a predictor of postoperative deep vein thrombosis (DVT). In patients undergoing THA, blood flow velocity and diameter of proximal femoral vein on THA side were measured preoperatively in four flexion positions of the hip. After THA, patients were followed up for 42 days for DVT occurrence, and clinical features of patients with and without postoperative DVT were compared. The mean blood flow velocity in maximal flexion (90º+) preoperatively was significantly lower in patients with postoperative DVT (19/103) compared to patients without it (8.4±2 cm/s vs. 10.6±2.3 cm/s; p<0.001). Using the receiver operating characteristic curve analysis, the cut-off value for blood flow velocity during maximal flexion was 8.24 cm/s. In addition, anesthesia duration, duration of surgical position of the patient, body mass index, amount of blood transfused after surgery, and clinical signs of DVT were markedly different between patients with and those without postoperative DVT. Blood flow velocity in femoral vein in maximal flexion of the hip (90º+) measured prior to THA is an independent predictor of postoperative DVT.
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Artroplastia de Reemplazo de Cadera , Trombosis de la Vena , Vena Femoral , Humanos , Complicaciones PosoperatoriasRESUMEN
Aim To compare hospital costs of acute limb ischemia treatment in two periods of time and to show evidence of long-term repercussions on reducing costs during successful treatment. Methods Retrospective analysis of data obtained from 100 patients' medical history in the period 2000-2016 at the Clinic of Vascular Surgery Sarajevo: group A - 60 patients with acute limb ischemia in the period 2005-2016 and group B - 40 patients with acute limb ischemia (ALI) in the period 2000-2005. From 2000 to 2005 conservative treatment method was used, invasive diagnostic and surgical procedures were often delayed for a shorter or longer period of time. During the period from 2005 to 2016, the management model and safe practice included emergency diagnostic procedures, colour-Doppler, arteriography, emergency surgery (embolectomy by Fogharty and if necessary, vascular by-pass). Results Better health service for the patients with acute limb ischemia was offered in the period 2005-2016, which relied on proven medical treatment trends. The largest share of the total costs of each patient included costs of hospital bed with significant difference between the period 2005-2016 and 2000-2005, mean of 1398.71 KM and 2480.45KM, respectively (p<0.0001), indicating rationalization of time that patients spend at the Vascular Clinic. Conclusion This trend of money/fund savings is an example of good practice, effectiveness and efficiency in the treatment of ALI and as such was used in patients with other vascular diseases.
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AIM: Compare the basic characteristics of patients and to examine the existence of higher rates of perioperative complications (0 - 30 days) in women versus men after carotid endarterectomy (CEA). METHODS: This is a retrospective-prospective study included 270 patients with significant stenosis of carotid in whom CEA was performed, during the period from 2012 to 2017. Patients they were divided: group 1 - 100 female patients, group 2 - 170 male patients. RESULTS: No statistically significant age difference was observed between the two groups, group 1 - 66.01 years (SD 8.42, 46 to 86 years), group 2 - 66.46 years (SD 8.03, 47 to 85 years) (p = 0.659). Risk factors represent a greater prevalence in group 2, but the observed difference is not statistically significant. The average duration of surgery and the time of carotid artery clamping time were longer in group 1: (p = 0.002; p = 0.005). The number of classic endarterectomy with the patch was higher in women (41 (41%) versus 31 (18. 2%), p = 0.005), while the number of bilateral CEAs was not statistically significant. CONCLUSION: The results of this study of this study did not indicate a greater presence of perioperative complications (< 30 days) in women versus male patients after CEA.
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AIM: To compare hospital costs of acute deep vein thrombosis (ADVT) treatment in two periods of time. Evidence of repercussions on reducing costs during successful treatment. Attention was given to the necessity, costs and effectiveness of diagnostic procedures, treatment and complications. METHODS: A retrospective analysis of data obtained from patients medical history in a period from 2000 to 2016. Model management and safe practice of ADVT care consisted of clinical examination, laboratory, colour Doppler and invasive diagnostics. In a treatment was used continuous infusion un-fractionated heparin for 40 patients from 2000th till 2006th and low molecular weight heparin for 40 patients from 2006th till 2016th. All patients were converted to oral anticoagulants. RESULTS: When we look at the overall picture of improving the management model, safe practices and economic rationalization, we conclude that we offer better health service for the patients with ADVT at the moment, which relies on proven medical treatment trends. While we do not forget responsibility towards a society of which depends on treatment funding. CONCLUSION: The implementation of a conceptually new model of management of ADVT did not contribute rise of the desired outcomes, but it justified the positive economic viability of introduced changes at the Clinic of Vascular surgery than the previous concept.
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INTRODUCTION: Atherosclerosis blood vessels, be it on extra-cranial or intra-cranial circulation, the most common cause of incidents such as cerebro-vascular insult (ICV). Carotid endarterectomy (CEA) is a preventive operation to reduce the risk of stroke and it can be performed by eversion carotid endarterectomy (E-CEA) or a classical carotid endarterectomy (C-CEA). The aim of this study was to investigate the influence of the used techniques in basic perioperative results and the incidence of postoperative complications. MATERIALS AND METHODS: It was retrospective-prospective study that involved 173 patients, with carotid stenosis, who underwent CEA, in the period of time December 2013 till December 2016. Subjects were divided into two groups in respect of technique: 90 patients were treated with E-CEA and 83 patients were treated with C-CEA. RESULTS: Between two groups revealed a significant difference in favor of the patients from group E-CEA in the length of the surgery (92.56 ± 29.11 min. vs. 104.04 ± 18.01 min., P = 0.000), the time of clamping the carotid arteries (11.83 ± 1.81 min. vs. 23.69 ± 5:39 min., p = 0.000), the amount of post-operative drainage (25.33 ± 24.67 ml. vs. 36.14 ± 14:32 ml., p = 0.001), time spent in the intensive care unit (± 25.43 vs. 13:51 hours 34.54 ± 35.81 hours, p = 0.000), and the length of stay (4.60 ± 0.90 days vs. 5:42 ± 1.80 days, p = 0.001). In the patients of the group E-CEA, fewer number of individual postoperative complications without statistical significance: ICV (2.2% vs. 4.8%, p = 0.351), cardiac arrhythmia (2.2% vs. 4.8%, p = 0.351), transitory ischaemic attack (TIA) and cognitive disorder (2.2% vs. 7.2%, p = 0.117), mortality (1.1% vs. 1.2%, p = 0.954); and the total number of postoperative complications was significantly less in the same patients (7.77% vs. 18.7%, p = 0.042). CONCLUSION: The results of this study clearly indicate that operating techniques affects the specified monitored outcomes of vascular treatment of carotid arteries in favor of E-CEA technique. It would be ideally that the conclusions of this study contribute to broader use of E-CEA in treatment of carotid stenosis.
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Estenosis Carotídea/cirugía , Endarterectomía Carotidea/métodos , Anciano , Anciano de 80 o más Años , Fibrilación Atrial/etiología , Trastornos del Conocimiento/etiología , Cuidados Críticos/estadística & datos numéricos , Femenino , Hospitalización/estadística & datos numéricos , Humanos , Ataque Isquémico Transitorio/etiología , Masculino , Persona de Mediana Edad , Infarto del Miocardio/etiología , Tempo Operativo , Complicaciones Posoperatorias/etiología , Estudios Prospectivos , Estudios Retrospectivos , Accidente Cerebrovascular/etiología , Resultado del TratamientoRESUMEN
INTRODUCTION: Stroke is one of the largest socio medical problems of modern times. In addition to the third leading cause of death, it is the first cause of non-trauma disability. Numerous studies show a correlation of risk factors and arteriosclerotic lesions in the coronary arteries and carotid arteries. PATIENTS AND METHODS: Study was conducted at the Clinical Center University of Sarajevo, Clinic for Cardiology surgery, methodologically cross-sectional study and partly manipulative and clinical prevention study, conducted on a representative sample of 100 patients. The subject was divided into 2 groups, coronary and non-coronary patients. Both groups of patients underwent color Doppler of carotid arteries, medical history and laboratory analysis. RESULTS: The results confirm the hypothesis that the critical carotid artery stenosis is more present in patients with coronary disease, while the association of risk factors has been demonstrated for diabetes, hypertension and dyslipidemia. CONCLUSION: Screening of carotid arteries in patients scheduled for coronary revascularization is essential. With the presence of critical stenosis of the carotid artery, surgery of carotid artery should be done before coronary revascularization. The implementation of aggressive education and prevention of risk factors for cardiovascular disease is needed.
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Estenosis Carotídea/complicaciones , Enfermedad de la Arteria Coronaria/complicaciones , Adulto , Anciano , Estenosis Carotídea/diagnóstico por imagen , Enfermedad de la Arteria Coronaria/diagnóstico por imagen , Estudios Transversales , Femenino , Humanos , Masculino , Persona de Mediana Edad , Factores de Riesgo , Ultrasonografía Doppler en ColorRESUMEN
PURPOSE: During knee arthroplasty, the leg is placed in several forced positions, which are mainly uncomfortable for all tissue structures in the region, including the vascular structures. Veins have a weaker quality of the wall structure than arteries, so during the forced position morphological and haemodynamic consequences are expected mainly in the venous system. Conditions of safe aseptic environment for the arthroplasty are in collision with routine intra-operative analysis of local haemodynamics in real time. This is the reason why we have no insight into the haemodynamic and morphological changes at the time in which the initiation of deep vein thrombosis (DVT) occurs. For this reason we created the hypothesis that the monitoring of the occurrence and detection of potential DVT risks can be achieved pre-operatively using echosonograms in simulated operative positions, and then compare them with the cases of postoperative DVT. METHODS: This research was conducted as a prospective, analytical, minimally manipulative and observational clinical study in the period January 2011 to October 2013. In the preoperative period we made ultrasound and colour-Doppler examinations of deep veins in simulated operative position (full extension 0°, semiflexion 30-60°, flexion 90° and maximal flexion 90°+). The target vein was the posterior tibial vein in the distal third of calf. During the operation we took a note of anaesthesia duration and forced positions duration. After the operation we were looking for ultrasound signs of DVT in a follow-up period of six weeks. The sample was made from 91 patients selected for knee arthroplasty: 56 women and 35 men patients of average age 67.46 years. The oldest patient was 81, and the youngest 48. Average body mass index was 26.98 (±2.20) kg/m(2). After initial ultrasound, the sample was divided into two groups according to vein flow velocity. Patients who had a flow velocity lower than 10 cm/s in any of the forced positions were in the investigated group (N-b, n = 38), and patients who had more favourable haemodynamics in forced positions were in the control group (N-a, n = 53). Patients underwent arthroplasty without tourniquet, and the operative, postoperative and anaesthesiological protocol was the same for all the patients. RESULTS: Friedman's test results point out significant differences of posterior tibial vein flow velocity in four simulated positions (0°, 30-60°, 90°, 90°+). Overview of the median value of the posterior tibial vein flow velocity points out reduction of the posterior tibial vein flow velocity in the third and fourth simulated positions. Average range values were lowest in simulated position 90°+. Relative risk for the DVT occurrence was 21.6% higher in the group of patients with flow velocity lower than 10 cm/s with statistical significance. The incidence of DVT was higher in women (22.85%) than in men (14.28%). There was one (1.09%) case of pulmonary embolism (PE) presented as segmental PE. CONCLUSIONS: We believe that preoperative ultrasound analysis performed during the simulation of operative positions is a useful pre-operative test that can identify patients at risk of developing postoperative DVT. We would recommend that during surgery procedure to minimise forced position of knee flexion.
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Artroplastia de Reemplazo de Rodilla/efectos adversos , Posicionamiento del Paciente , Tibia/irrigación sanguínea , Trombosis de la Vena/etiología , Anciano , Anciano de 80 o más Años , Artroplastia de Reemplazo de Rodilla/métodos , Velocidad del Flujo Sanguíneo , Femenino , Hemodinámica , Humanos , Masculino , Persona de Mediana Edad , Estudios Prospectivos , Ultrasonografía , Venas/diagnóstico por imagen , Trombosis de la Vena/diagnóstico por imagenRESUMEN
INTRODUCTION: The basic principle of non-surgical fracture treatment is to restore the original anatomical position of fractured fragments by different techniques, without direct access to the bone and without further traumatizing of tissues. Intramedullary nailing is synthesis and consolidation of fracture fragments with the main goal to gain strength and permanent placement of the implants. Two techniques of intramedullary osteosynthesis are used: with dynamic or with static intramedullary nail. Dynamization include conversion of static nail by removing screws from the longest fragment. AIM: The aim of this study is to determine whether there is a difference in the speed and quality of healing of the type A and B fractures of the femur and tibia treated by static or dynamic intramedullary nails and to compare the results. MATERIAL AND METHODS: The study was conducted at the Clinic for Orthopaedics and Traumatology, Clinical Center University Sarajevo from January 2004 to June 2009. The study was retrospective-prospective, manipulative, controlled and it was conducted on a total of 129 patients with closed fractures of the diaphysis of the femur and tibia type A and type B, with different segments of bone, regardless of sex and age structure, with the exception of children under 14 years of age. RESULTS: Precisely there were 47 patients with femoral fractures and 82 patients with tibial fractures. The average number of weeks of healing femoral and tibial fractures was slightly in advantage of static intramedullary osteosynthesis, it was 17.08 weeks (SD=3.382). The average number of weeks of healing in 23 patients with fractures of the femur, treated by dynamic intramedullary osteosynthesis was 17.83 (SD=2.978). We can conclude that static intramedullary nailing osteosynthesis unable movements between fragments which directly stimulates bone formation and formation of minimal callus. CONCLUSION: Static intramedullary osteosynthesis resolve the problem of stabilizing the fracture, limb shortening and rotation of fragments.
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Fracturas del Fémur/cirugía , Fijación Intramedular de Fracturas/métodos , Fracturas de la Tibia/cirugía , Adolescente , Adulto , Clavos Ortopédicos , Tornillos Óseos , Femenino , Curación de Fractura , Humanos , Masculino , Adulto JovenRESUMEN
PURPOSE: The purpose of this research was (1) to evaluate the consequences of an operative treatment of hip developmental disorder in children, (2) to evaluate the significance of hip vascular supply in children through indirect radiological signs, such as morphological changes on femoral head, and to classify them with standard classification methods, and (3) to analyse the research results and make a recommendation for the following treatment dilemma: when is the optimal time for an operative treatment of a hip development disorder? METHODS: The research is a retrospective and observational analysis based on the classification of indirect radiological signs of local vascular disorder by the Bucholz-Ogden's scale. Materials used for this research are medical records of treated patients at the Clinic for Orthopaedics and Traumatology of the Sarajevo University Clinical Centre. Using a random selection, two groups of 30 patients with hip development disorder were formed. The first group was comprised of patients aged six to 18 months and the second group of patients aged 18-60 months. The medical records used for this research included all necessary anamnestic details and postoperative state treatments with clinical findings and regular radiological check-up findings that include the presence or absence of the ossification nucleus as well as its position. All patients underwent surgery with the same operative technique. Data analysis points include the state at the beginning of the treatment, the postoperative state, the state at discharge as well as control findings that followed the development of the proximal femoral part up to 72 months on average. The analysis covered data such as age, sex, family anamnestic data, clinical findings and radiological findings regarding the femoral head morphology (appearance, size, shape, position and indirect signs showing lack of vascular supply). In addition, data analysis included the types of any previous conservative or operative treatments, the duration of previous conservative treatments and repeated hospitalization. RESULTS: In group 1, 86.6 % were female patients and 80 % in group 2. Family history was positive in 15.6 % in group 1 and 13.3 % in group 2. A total of 51.6 % of all patients started walking on time, while the rest had problems with verticalization. Of all patients, 47 % did not undergo any kind of prior treatment. Only 62.2 % of group 1 patients had ossification nucleus present, while the entire group 2 had it present. Results showed that 24.32 % of group 1 patients had none or minimal signs of avascular necrosis (AVN) while 39.47 % of group 2 had none or minimal signs of AVN; 60.52 % of group 2 patients had signs of AVN. CONCLUSION: The results of this study show that the performance of a surgical treatment during the age between 12 and 20 months is burdened by the highest percentage of avascular necrosis. Even though AVN can be noticed in other age groups, according to the results of our research, it seems that vascular supply of the hip is the most vulnerable in the period between 12 and 20 months.