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祢那不忠的心

從漢克・威廉斯的經典歌曲談起,回望心臟在人類歷史、文化與醫學中的象徵意義,並透過現代醫學重新思考心臟、生命與情感之間的關係。

1952年,漢克·威廉斯(Hank Williams)錄製了鄉村音樂的傳世傑作——《祢那不忠的心》(Your Cheatin’ Heart)。僅僅一年後,年僅29歲的威廉斯便因心臟衰竭溘然長逝。這首歌瞬間成為傳奇,道盡了心碎與生命消逝時最赤裸的靈魂毀滅。如今透過現代醫學的棱鏡回望,人們不禁會想:如果當年就有心臟移植技術,他的故事結局會不會截然不同?

存在的神聖核心

在人類歷史的大多數時期,心臟都被奉為人類存在的中央指揮官。在西元前300年,古埃及人將心臟視為最關鍵的內臟器官——是靈魂與理智的「首席府邸」。對他們而言,心臟是生命的起點(在妊娠僅三個月時便開始跳動),且不因死亡而銷燬,而是走向永恆的彼岸。在冥界,死神阿努比斯(Anubis)會用天秤秤量死者的心臟,以決定他們永恆的命運。後來,亞里斯多德也斷言心臟是人類智慧、情感、快樂、痛苦與精神的源泉。古代的鬥士深知這一哲學的現實殘酷:當利劍刺穿對手的心臟,造成大規模失血(exsanguination)時,這場戰鬥就已經結束。

時至今日,我們的語言仍承襲著這些古老的信仰。在隱喻中,說一個人「無心(heartless)」意味著冷酷無情;而承諾某事「出自我的心底(from the bottom of my heart)」,則代表著最深沉、最真摯的誠信。

典範轉移:從神聖到可取代

20世紀初,隨著人工心肺機(體外循環機)的發展,這種世界觀發生了根本性的轉變。人工心肺機能夠暫時接管心臟的工作,醫學界這才開始意識到,大腦才是我們生命真正的最高統帥。心臟被重新歸類:它不再是神聖不可侵犯的聖器,而是一個可以被取代的器官。

人類思想史上如此深刻的轉變鮮少是一帆風順的。1543年,哥白尼用數學證明了太陽才是宇宙的中心,而非地球。當伽利略用望遠鏡的觀測結果支持這一理論時,他遭到了強烈的抵制,並在軟禁中度過了餘生。當年的醫療體制,也曾以同樣的狂熱抵制著將心臟「去神聖化」的浪潮。

速度、精準與加護病房的誕生

幾世紀前,衡量一位偉大外科醫師的首要標準,就是「速度」。在某種程度上,這種名聲至今仍流傳著。我以前常聽到手術室的工作人員私下竊語,開玩笑說:「蔡醫師半小時就能完成這個手術,那個手術兩小時就能搞定。」

有現代卓越的麻醉技術,坦白說,單純的速度已不再是過去那種絕對的先決條件。如今,衡量一位傑出外科醫師的真正標準在於「臨床決策」——尤其是清楚知道何時不該開刀。

現代複雜手術(如心臟開刀)的基礎,是在1952年哥本哈根小兒麻痺症大流行期間奠定的。由於「鐵肺」嚴重短缺的情況下,為了挽救一名因缺氧而瀕死的年輕女孩,麻醉醫師比約恩·易卜生(Dr. Bjørn Ibsen)將一根管子插入氣管切口,並採用人工手動推氣的方式輸送空氣。由於小兒麻痺症肆虐,醫學生團隊自願組成小組,一班接一班、日以繼夜地用手動推氣來拯救這些孩子。透過將這些患者集中在一個由專家團隊管理的單一病房中,「加護病房(ICU)」就此誕生。加護病房將重大外科死亡率從90%驟降至30%,永遠改變了外科手術的面貌。

追逐移動的目標

在外科領域中,心臟手術是獨一無二的,因為你面對的是一個不斷移動的目標。正如我的一位心臟外科恩師常說的:「這完全取決於每一針的時機。首先,你把針穿過一半,然後停住。直到第二次心臟收縮後,你才將它完全拉過去——在與心臟跳動的節奏中,進行完美而細緻的共舞。」

心臟移植無疑坐落於心臟外科的絕對巔峰。在1960年代初期,開創這一領域必須克服三大巨型障礙:精湛的手術技巧、免疫系統的複雜管理,以及捐贈者選擇的精準時機。

1979年,在我於紐約布魯克林接受外科總住院醫師訓練的最後一年,著名心臟外科醫師藍道·葛里普(Dr. Randall Griepp)接任了紐約州立大學下州醫學中心的外科主任。葛里普醫師曾是傳奇人物諾曼·沙姆威(Dr. Norman Shumway)的總住院醫師,我有幸在他的指導下見習了幾個月。他分享了一個捕捉那個時代的觀點:「巴納德贏得了比賽,但沙姆威建造了那輛賽車。」

1967年11月,史丹佛大學的諾曼·沙姆威醫師宣布,經過十年的實驗室研究並對300多隻狗進行手術(其中有些狗存活了超過一年)後,他的團隊終於準備好進行人類心臟移植。然而,僅僅兩週後,一位名叫克里斯蒂安·巴納德(Dr. Christiaan Barnard)的南非外科醫師,便奪走了執行全球首例人類心臟移植手術的桂冠。

巴納德醫師曾在明尼蘇達大學與沙姆威醫師一同在強大的心臟開拓者克拉倫斯·利拉海(Dr. Clarence Lillehei)麾下受訓。巴納德是個急性子,他把六年的訓練濃縮成兩年。他也曾前往維吉尼亞州,在人類腎臟移植先驅大衛·休姆(Dr. David Hume)手下學習(休姆醫師後來不幸死於一場單引擎飛機失事,導致他未能與波士頓的約瑟夫·默里醫師共同榮獲諾貝爾獎)。我自己的一部分住院醫師訓練也是在維吉尼亞州完成的,師從曾任休姆總住院醫師的麥克唐納醫師(Dr. McDonnell)。麥克唐納醫師的辦公室裡掛著一張巨幅、英俊的休姆照片,我每天經過都會端詳它。

巴納德醫師極度渴望成為第一。醫院的首席心臟科醫師警告他,「你只在48隻狗身上做過實驗,且實驗對象存活時間並不長時」巴納德依然一意孤行。一旦有了捐贈者,便立即進行了手術——這也是因為當時南非並沒有嚴格的腦死判定標準。他的第一位患者在18天後過世。而時至今日,心臟移植的平均存活率已高達15年。

在大衛·庫珀醫師(Dr. David Cooper)所著的《敞開的心》(The Open Heart)一書中,引用了巴納德對那次首例失敗的反思:「你知道嗎,當我的病人死亡,我感到非常沮喪。我真的很難過,因為我多了一例死亡率。這其實並非全然因為病人的逝去,而是因為自尊。在這種手術中,我不應該有病人死亡,我太優秀了,不該發生這種事。」

這聽起來冷酷無情且極其狂妄。然而,巴納德也以對病人的強烈奉獻精神而聞名,他會守在病人床邊幾天幾夜,以確保最好的預後。

外科醫師的悖論

這種複雜性是外科醫師內心深處的一部分,由睪固酮與腎上腺素的劇烈混合所驅動。外科醫師在生死沉淪的持續壓力下進行手術。為了生存,你必須保持近乎電光石火間的冷靜。這需要一種矛盾的雙重人格:絕對的自力更生,卻又要無縫的團隊合作;控制性的冷漠,卻兼具深沉的同理心;至高無上的驕傲,卻又抱持著深刻的謙遜。

這份工作要求日夜待命,家庭其次,也隨時在醫療糾紛的鋼索上漫步。我必須坦白承認這所帶來的個人代價:我的孩子們直到長大成人,幾乎都沒有看到也不認識我。
一日為外科醫師,終身為外科醫師。我依然將那些激昂歲月的點滴情感,深埋在我的內心與靈魂深處。這是我自己生命的真實故事,我的犧牲,以及我「敞開的心」。

Your Cheatin' Heart

In 1952, Hank Williams recorded the country music masterpiece, “Your Cheatin’ Heart.” Just one year later, at the young age of 29, Williams died of heart failure.

The song instantly became a legend, capturing the raw emotional ruin of a broken heart and life itself. Looking back through the lens of modern medicine, one can’t help but wonder: if heart transplantation had been available back then, how differently might his story have ended?

The Sacred Center of Existence

For most of human history, the heart was revered as the central commander of human existence. Around 300 BCE, the ancient Egyptians regarded the heart as the most critical internal organ—the “chief mansion” of the soul and intellect. To them, it was the beginning of life (beating as early as three months into gestation) that did not stop at death, but traveled beyond. In the afterlife, the god Anubis would weigh the deceased’s heart on a scale to determine their eternal destiny.

Later, Aristotle asserted that the heart was the source of human intelligence, emotion, pleasure, pain, and spirit. Ancient gladiators knew the practical reality of this philosophy: when a sword pierced an opponent’s heart, causing massive exsanguination, there was no coming back from the fight.

Even today, our language inherits these ancient beliefs. Metaphorically, to be “heartless” means to be cold and cruel, while promising something “from the bottom of my heart” signifies the deepest, most serious honesty.

The Paradigm Shift: From Sacred to Replaceable

This worldview fundamentally, shifted in the early 20th century with the development of the heart-lung machine, which could temporarily take over the heart’s workload. Medicine began to understand that it is actually the brain that serves as the ultimate commander of our lives. The heart was reclassified: no longer a sacred, untouchable vessel, but a replaceable organ.

Such profound transitions in human thought are rarely easy. In 1543, Nicolaus Copernicus mathematically demonstrated that the sun, not the earth, was the center of the universe. When Galileo Galilei supported this theory with telescope observations, he faced fierce resistance and spent the rest of his life under house arrest. The medical establishment resisted the desacralization of the heart with similar fervor.

Speed, Precision, and the Birth of the ICU

Centuries ago, the primary hallmark of a great surgeon was nothing but speed. To some extent, that reputation lingers. I used to eavesdrop on operating room staff whispering rumors that “Dr. Tsai can finish this procedure in half an hour, and that one in two hours.”

Truthfully, sheer speed is no longer the absolute prerequisite it once was, thanks to excellent modern anesthesia. Today, the true mark of an exceptional surgeon lies in the decision-making process—especially knowing when not to operate.

The foundation for modern, complex operations like open-heart surgery was laid in 1952 during the polio endemic in Copenhagen. In a desperate attempt to save a young girl dying of hypoxia, while “iron lung” is in short demand, an anesthesiologist Dr. Bjørn Ibsen inserted a tube into a tracheal open window and used manual hand-pumping to deliver air. Because polio was rampant, teams of medical students volunteered to pump air by hand, shift after shift, day and night, to save these children. By clustering these patients into a single ward managed by a dedicated team of specialists, the intensive care unit (ICU-I see you) was born. The ICU dramatically reduced mortality rates from 90% to 30%, changing the face of surgery forever.

Chasing a Moving Target

Among all surgical fields, cardiac surgery is entirely unique because you are constantly facing a moving target. As one of my cardiac surgery mentors used to say: “It is all about the timing of each stitch. First, you bring the needle halfway through, and then you drop it. Only after the second contraction do you pull it completely through—working in perfect, delicate rhythm with the movement of the beating heart.

Heart transplantation sits at the absolute pinnacle of cardiac surgery. In the early 1960s, pioneering this field required overcoming three massive obstacles: masterful surgical technique, managing the complexities of the immune system, and the precise timing of donor selection.

In 1979, during my final year of surgical training in Brooklyn, New York, Dr. Randall Griepp—a renowned cardiac surgeon and former chief resident to the legendary Dr. Norman Shumway—took over the chairmanship at Downstate University. I was fortunate enough to rotate under his guidance for several months.

He shared a perspective that perfectly captured the era: “Barnard won the race, but Shumway built the car.”

In November 1967, Dr. Norman Shumway at Stanford announced that his team was finally ready to carry out a human heart transplant after ten years of laboratory research and operating on more than 300 dogs, some dogs survived for over a year. Yet, just two weeks later, a South African surgeon named Dr. Christiaan Barnard claimed the crown of performing the world’s first human heart transplant.

Dr. Barnard had trained in Minnesota alongside Dr. Shumway under the formidable cardiac pioneer Dr. Clarence Lillehei. Barnard was impatient; he squeezed six years of training into two. He also traveled to Virginia to study under Dr. David Hume, a pioneer in human kidney transplantation (who tragically died in a single-engine plane crash, preventing him from sharing the Nobel Prize with Dr. Joseph Murray in Boston). I completed part of my own residency in Virginia under Dr. McDonnell, who had been Hume’s chief resident at MCV. Dr. McDonnell’s office featured a giant, handsome photograph of Hume that I looked at every single day.

Dr. Barnard desperately wanted to be first. When his chief cardiologist cautioned him that he had only practiced on 48 dogs and that his subjects didn’t survive long, Barnard pushed forward anyway. The moment he had a donor, he proceeded with the surgery—facilitated by the fact that South Africa did not have strict brain-death criteria at the time. His first patient died 18 days later. Today, the average survival rate for a heart transplant is 15 years.

In book”The Open Heart”, author Dr. David Cooper quotes Barnard reflecting on that first loss.

“You know, when my patient died, I felt so upset. I’m really upset about it because I have one mortality. It wasn’t really the death of the patient. It is the ego. I shouldn’t have a death with this type of operation. I’m too good for that.”

It sounds callous and incredibly arrogant. Yet, Barnard was also known for his fierce devotion to his patients, staying at their bedsides for days and nights to ensure the best possible outcome.

The Surgeon’s Paradox

This complexity is part of the surgeon’s inner psyche, fueled by a volatile mix of testosterone and adrenaline. Surgeons operate under the constant pressure of life and death. To survive it, you must maintain an almost split-second calm. It requires a paradoxical, dual personality: Absolute self-reliance, yet seamless teamwork. Controlled indifference, yet deep compassion. Supreme pride, yet profound humility.

The job demands being constantly on-call day and night, always walking the tightrope of medical malpractice threats. I must honestly admit the personal cost: my own children hardly recognized me until they were grown.

Once a surgeon, always a surgeon. I still carry the trace sentiments of those intense years buried deep within my mind and my soul. This is the true story of my own life, my sacrifices, and my “open heart.”