Open heart Vs MICS (Minimally Invasive Bypass Surgery)- Heart: Bypass Surgery

Digant Goel
3 min readDec 22, 2022

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Take care

The human heart is situated in the midsection of the body and is fortified by the rib cage. The heart was housed within a confined space composed of the rib cage.

Typically, open heart surgery is performed through the slitting of the entire rib cage. A lengthy incision in the chest’s centre separates the rib cage into two equal sections. This enables surgeons to gain access to the heart. Following the bypassing of the obstructed vein through surgery, the rib cage is reconstructed using steel wires. The thorax skin is sutured back in place following the operation.

Open heart Surgery

The incision during open-heart surgery is relatively lengthier. This incision is performed in close proximity to a highly vulnerable region — the heart. Over time, the steel wire gradually restores the integrity of the ribcage. Six months are required for the stitch in the centre of the thorax to heal. Thorough attention is paid to preserving the integrity of the seam. Any activity that loosens the suture is to be avoided. The patient experiences a transient loss of immunity followed by a subsequent restoration over time. Three to six months are required to regain normal immunity. This period is characterised by a high prevalence of infection risks. Precautions must be taken to safeguard the patient against infection. Obviously, an infection at this time would be catastrophic.

Conversely, MICS, or key-hole surgery, accomplishes the same bypass function but is preferable when feasible. The prerequisites for MICS are contingent upon the location of obstruction and the patient’s adipose tissue composition. If the obstruction is in close proximity to the patient’s epidermis, where MICS is more accessible to the surgeons, they would prefer to use it. Additionally, a greater percentage of body fat will impede the surgeon’s ability to access the obstruction through an incision.

MICS or key-hole surgery

During MICS, or key hole surgery, a slit measuring 2.5–3.5 inches is created between two ribcage. By inserting the incision between the rib closest to the obstruction. In addition, two ear-hole-sized apertures are created on the thorax to accommodate the camera, which facilitates operation. The surgical procedure is executed via a 2.5–3.5-inch opening through which the patient observes the screen onto which the camera’s images are projected. Following the conclusion of the operation, all slits and openings are sutured back together. Due to the significantly reduced size of the incision, key-hole surgery significantly shortens the recuperation period for patients. MICS is associated with a reduced risk of infection and a recovery period of one to three months. Nevertheless, MICS should not be disregarded. Stress avoidance and infection prevention are equally crucial in intensive care as they are during open heart surgery.

Open heart slit on left (large), MICS slit on right (small)

You may read more about why your surgeon selected stenting or bypass here -https://medium.com/@Rajgarhia/stent-vs-bypass-surgeries-for-heart-blockage-1bc970a8090

For general precautions after a bypass surgery, read here https://medium.com/@Rajgarhia/precautions-after-bypass-surgery-for-heart-590e7d95e946

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