Living

Chapter 4 - Under the Knife

The surgical suite was a temple of controlled violence.

The ambient temperature of OR 1 was deliberately dropped to sixty degrees Fahrenheit—cold enough to preserve ischemic tissue, cold enough that my breath hung faintly in the air before the surgical mask caught it. The room was dominated by the monolithic presence of the cardiopulmonary bypass machine, an intricate labyrinth of translucent polyvinyl tubing, oxygenators, and roller pumps that would soon serve as Richard Reynolds’ external soul.

"Ten-blade to the surgeon," the scrub nurse, Elena, said calmly, slapping the heavy scalpel into my palm with practiced force.

"Time of incision: 06:14," the circulating nurse logged.

I didn't hesitate. With one continuous, unyielding stroke, I drew the scalpel down the midline of Richard’s chest, from the suprasternal notch to the xiphoid process. The skin and subcutaneous tissue parted, revealing the pale, rigid surface of the sternum.

"Electrocautery," I murmured.

Smoke rose with a sharp, sickening sizzle as the cautery tip sealed the bleeding vessels in the fascia. The smell of burning flesh filled the room, familiar and grounding.

"Sternal saw."

The high-pitched, terrifying whine of the oscillating bone saw filled the chamber. I bore down on the center of Richard’s breastbone. Bone dust sprayed in a fine mist, immediately suctioned away by Marcus. With a dull, hollow *snap*, the sternum divided down the middle.

"Retractor in," I said.

We cranked open the heavy steel rib spreader. The chest cavity yawned wide.

What lay beneath made Marcus gasp audibly through his mask.

The pericardium was a tense, purple balloon, swollen to the breaking point. Beneath the thin membrane, the ascending aorta—normally a resilient, elastic conduit the width of a garden hose—had ballooned to nearly eight centimeters. It was bruised, thin as wet tissue paper, and vibrating violently with every failing pulse.

"Type A dissection, extending from the aortic valve up into the innominate artery," I whispered, my diagnostic instincts reading the battlefield in seconds. "Look at the hematoma dissecting through the adventitia. The outer wall is paper-thin. One false touch and the vessel shreds. We have zero margin for error."

"Blood pressure is tanking again, Dr. Harper," the anesthesiologist called from behind the sterile blue drapes. "Fifty over thirty. Heart is bradying down to thirty beats per minute."

"We can't wait for standard systemic cooling," I announced, my voice slicing through the alarms. "Cannulate the right atrium for venous drainage! We’re going to cannulate the right axillary artery for arterial inflow to protect brain perfusion. Perfusionist, is the circuit ready?"

"Ready to roll, Chief!" the perfusionist replied, his eyes glued to the digital flow meters.

My hands moved with blinding, rhythmic certainty. I exposed the axillary artery beneath his collarbone, securing the arterial cannula with double purse-string sutures of 4-0 Prolene. Next, I placed the massive two-stage venous cannula directly into the right atrium.

"Cannulas secured. Initiate cardiopulmonary bypass," I ordered.

The hum of the roller pumps deepened into a low, predatory thrum. Richard’s dark, venous blood surged out through the clear plastic tubing, coursing into the machine's reservoir, glowing bright scarlet as it hit the oxygenator, and pumping back into his brain via the axillary artery.

"Full flow achieved," the perfusionist confirmed. "Three point eight liters per minute. The machine has him."

"Cool the patient to eighteen degrees Celsius," I commanded. "Deep hypothermic circulatory arrest. We need to shut his entire body down."

For the next twenty minutes, we bathed his organs in ice-cold blood, bringing his core body temperature down to the brink of biological death. At eighteen degrees, cellular metabolism drops to almost zero. The brain can survive without blood flow for forty-five minutes.

The cardiac monitor went completely, chillingly flat.

No pulse. No brainwaves. No breathing. Richard Reynolds was clinically, biochemically dead on my operating table.

"Cross-clamp on the distal aorta," I said, applying the heavy vascular clamp. "Administer cold blood cardioplegia directly into the coronary ostia."

The heart stopped quivering. It lay perfectly still in the chest cavity, an inert mass of pale muscle.

"Circulatory arrest initiated," the perfusionist said. "Clock starts now."

"Timer running," Marcus confirmed, staring at the digital stopwatch mounted above the door.

I took a deep breath, centered my balance on my surgical clogs, and brought the scalpel down onto the diseased aorta.

I cut it open lengthwise.

A torrent of dark, gelatinous clot spilled from the false lumen. The internal lining of the artery—the intima—was completely shredded, torn in a spiraling helical fracture that extended straight down into the delicate leaflets of the aortic valve.

"Suction," I whispered.

Elena handed me the micro-scissors and fine-toothed forceps. "Dacron graft, thirty millimeters. We are replacing the entire ascending aorta and the hemiarch."

This was the razor's edge. One millimeter off on a suture line, and when we warmed him back up, he would bleed out faster than the pumps could replace the volume.

"Suture," I said.

May you like

I bent over the chest, my world shrinking to the microscopic tip of a curved needle carrying thread thinner than a human hair.

***

Related Stories

Other posts