Fig. 7 Measurements in antero-posterior and lateral pass ; tip-to-apex outdistance > 25 millimeter ( Zimmer Natural Nail ) Full size imageFig. 8 Measurements in antero-posterior and lateral ; tip-to-apex distance < 25 millimeter ( Zimmer Natural Nail ) Full size doubleFig. 9 Measurements in antero-posterior and lateral ; calcar-referenced tip-to-apex distance > 25 millimeter ( ELOS smash )
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Full size image Some authors however find discrepancies with these values [ 22 ], from anatomical reference differences and depending on the size of the femoral headway, arouse, and anthropometric characteristics [ 23 ]. The mobilization of the cephalic screw is besides a consequence of the poor quality of the bone in which the device is inserted, and patients with greater fragmentation of the fault have a greater risk of mobilization [ 14 ]. A TAD of 25 millimeter or lower was achieved in a higher share of patients treated with the ZNN, as was a CalTAD of 25 millimeter or lower. however, the comparison between TAD and CalTAD in the ELOS and ZNN implants is affected by the greater number of ZNN implants performed, so this result does not indicate a dispute but a similarity between the two devices.
The present work has several strengths. We were able to analyse a relatively large phone number of patients as our department is a regional referral center for hip fractures [ 24 ]. The patients all followed the same pre- and post-operative remedy protocols. The department employs an orthogeriatrician who deals with the management of aesculapian comorbidities [ 24 ]. All the procedures were performed by a single orthopedic surgeon who was in full conversant with the implants, having performed no less than 50 surgeries with both devices prior to the survey. We are mindful that a limit is the miss of randomization to the manipulation of one or the early pinpoint. however, the choice of the IM breeze through was dictated by their immediate handiness, which was independent of the choice of the surgeon. This accounts besides for the discrepancy in numbers between the two groups of patients. The present study aimed to evaluate the operative result up to the patients ’ release, and we have not included information on the follow-up and subsequent radiographic controls. Although the rehabilitation of patients was the lapp for the different types of devices, data on patients ’ conformity are not available. Given our departmental policy and social organization, patients were discharged to the manage of their general practitioner, who then arranged for pressing orthopedic follow-up had they deemed it necessary. This is a partial insufficiency of the present investigation, as we can not be certain that patients did not develop a cut-out. however, as the treat center is the county referral center for these patients, had they experienced such complications, they would have returned under our manage. clearly, this is a single-centre single-surgeon survey, and the function surgeon has a limited interest and expertness in these injuries. These results need consequently to be validated by larger multicentre studies. We acknowledge that a formal might analysis was not performed : the count of patients enrolled in the cogitation was however representative for these fractures. however, despite this partial weakness of the show probe, our choice and recruitment procedure, our judgment criteria, and data collection were extremely rigorous and performed in nonindulgent scientific fashion. besides, with the numbers of patients enrolled, the results of our study are clear. We acknowledge that the study is focused chiefly on the length of hospital stay and immediate post-operative outcomes, and not on the short- and long-run clinical effects of the surgery. These limitations may however affect the dependability of the decision ; therefore, data must be interpreted with circumspection. however, despite these limitations, all the surgical procedures were performed in the like fashion and with same instruments, modalities, and materials, resulting in outcomes comparable with other published studies .