Muscle-sparing Fusion
Muscle-sparing Fusion - Related Videos
01:30
Spare Receptors
0 Views •
2023
Some receptors remain unoccupied even when an agonist produces a maximal response. Such empty ones are called spare receptors. In presence of spare receptors the maximum effect of an agonist drug is achieved with fewer than 100% of the receptors being occupied. To determine the presence of spare receptors, scientists often compare the concentration of the drug needed to produce 50% of the maximum effect (EC50) with the concentration of the drug needed to occupy 50% of the receptors (Kd). If the...
02:45
Nuclear Fusion
0 Views •
2020
The process of converting very light nuclei into heavier nuclei is also accompanied by the conversion of mass into large amounts of energy, a process called fusion. The principal source of energy in the sun is a net fusion reaction in which four hydrogen nuclei fuse and ultimately produce one helium nucleus and two positrons. A helium nucleus has a mass that is 0.7% less than that of four hydrogen nuclei; this lost mass is converted into energy during the fusion. This reaction produces about...
09:51
The Transition to an Anterior-Based Muscle Sparing Approach Improves Early Postoperative Function but is Associated with a Learning Curve
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Cited by 2 •
2022
The anterior-based muscle-sparing approach for total hip arthroplasty (THA) is associated with a learning curve. However, the improved clinical outcome in the early post-operative phase makes the consideration to transition worthwhile.
07:44
The Spared Nerve Injury (SNI) Model of Induced Mechanical Allodynia in Mice
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Cited by 97 •
2011
The Spared Nerve Injury animal model is described here as a mouse model of peripheral neuropathic pain following partial denervation of the sciatic nerve by lesioning the tibial and common peroneal nerve branches, leaving the remaining sural nerve intact. Behavioral modification resulting from mechanical allodynia is quantified by von Frey filaments.
09:19
Analysis of SNARE-mediated Membrane Fusion Using an Enzymatic Cell Fusion Assay
0 Views •
2012
We have developed a cell fusion assay that quantifies SNARE-mediated membrane fusion events by activated expression of β-galactosidase.
FAQs
The approach limits the amount of paraspinal muscle and surrounding tissue that surgeons must disrupt to reach the operative area. Specialized instruments support this focused access while allowing decompression, implant placement, and bone-graft delivery. Preserving more supporting tissue may reduce the local effects of surgical muscle injury without removing the stabilization required for the affected vertebral segment.
Paraspinal muscles help support the spine, so reducing their disruption can influence the early postoperative course. Muscle-sparing techniques may limit blood loss and postoperative discomfort, which can support earlier mobilization and recovery. These potential advantages describe the effect of minimizing tissue injury, not a guarantee of identical results, because recovery also depends on the patient and the specific operation.
Results depend on more than the access technique alone. Patient factors and the specific procedure can affect postoperative discomfort, mobilization, recovery, and the overall result. The underlying need for decompression or stabilization also shapes the operation. Consequently, reducing muscle disruption may offer benefits, but it does not eliminate variation in outcomes among people receiving spinal fusion.
These components address different surgical goals within the same treatment. Decompression helps manage the need to relieve pressure in the operative region, while implants stabilize the treated vertebral segment. Bone graft supports the fusion process. The muscle-sparing access pathway is intended to permit these tasks while limiting unnecessary disruption of paraspinal muscle and surrounding tissue.
The surgeon first uses a targeted access pathway to reach the affected spinal level while limiting muscle disruption. When indicated, decompression is performed, followed by placement of implants and bone graft to stabilize the segment and support fusion. Specialized instruments facilitate this focused work. The exact procedure varies according to the patient’s condition and the required operation.
It may be considered when fusion is indicated for spinal instability, deformity, or degenerative disease. The approach is relevant when stabilization must be combined with efforts to limit disruption of the muscles supporting the spine. Its potential for less blood loss, reduced postoperative discomfort, and earlier mobilization may be important, although suitability and expected results remain procedure- and patient-dependent.