Surgical Drainage Procedures — MCQs
The ideal treatment for hemothorax with drainage greater than 200 ml/hr for 2-4 hours is:
Extensive surgical debridement, decompression or amputation may be indicated in the following clinical setting except
Liver transplant for which of the following conditions will require a duct-to-jejunal anastomosis rather than a duct-to-duct anastomosis?
A 30-year-old male undergoes varicocele surgery to correct his left-sided varicocele. Following the procedure, the surgeon explains the postoperative changes to the patient. The patient asks, "Through which route does the venous drainage primarily occur after the surgery?" Which of the following is the correct response by the surgeon?
Abbreviated laparotomy done for:
How will you check the functioning of an ICD tube?
For open pneumothorax which of the following is management of choice?
On the 4th postoperative day of laparotomy a patient presents with bleeding & oozing from the wound. Management is :
What is the most appropriate treatment for a patient with a suspected Brodie's abscess?
Which of the following is true about tenosynovitis of the finger?
Surgical Drainage Procedures Indian Medical PG Practice Questions and MCQs
Question 1: The ideal treatment for hemothorax with drainage greater than 200 ml/hr for 2-4 hours is:
- A. Intercostal tube
- B. Wait and watch
- C. Needle aspiration
- D. Open thoracotomy with ligation of vessels (Correct Answer)
Explanation: **Open thoracotomy with ligation of vessels** - A **hemothorax** with continued blood loss exceeding **200 ml/hr for 2-4 hours** (or initial drainage >1500 ml) indicates significant ongoing bleeding that necessitates immediate surgical intervention per **ATLS guidelines**. - **Open thoracotomy** allows direct visualization of the bleeding source, enabling **ligation of vessels** to achieve definitive hemostasis. - This is a critical indication for emergency thoracotomy to prevent exsanguination and cardiovascular collapse. *Intercostal tube* - While an intercostal tube (chest tube) is the **initial management** for hemothorax and essential for diagnosis, persistent large-volume bleeding (>200 ml/hr for 2-4 hours) indicates the drain alone is insufficient to control hemorrhage. - It serves as both a diagnostic and therapeutic tool for initial drainage but does not address significant arterial or venous bleeding requiring operative control. *Wait and watch* - **Waiting and watching** in the presence of persistent significant blood loss (>200 ml/hr for 2-4 hours) is dangerous and can lead to **hypovolemic shock**, coagulopathy, or death. - This approach is inappropriate for active, ongoing bleeding and is reserved only for stable, small hemothoraces with minimal or resolved bleeding. *Needle aspiration* - **Needle aspiration** is used for diagnostic purposes in pleural effusions or small pneumothoraces, not for significant hemothorax management. - It is completely ineffective for draining large-volume **hemothoraces** and cannot control active bleeding from damaged vessels.
Question 2: Extensive surgical debridement, decompression or amputation may be indicated in the following clinical setting except
- A. Acute rhabdomyolysis
- B. Acute haemolytic streptococcal cellulitis
- C. Acute thrombophlebitis (Correct Answer)
- D. Progressive synergistic gangrene
Explanation: ***Acute thrombophlebitis*** - This condition involves inflammation and **thrombosis** of a superficial vein, typically managed with **anticoagulation**, pain relief, and local measures. - Surgical intervention like debridement, decompression, or amputation is generally **not indicated** unless there are severe complications such as infection or extensive tissue necrosis, which are rare. *Acute rhabdomyolysis* - Severe rhabdomyolysis can lead to **compartment syndrome**, necessitating fasciotomy (decompression) to prevent irreversible muscle and nerve damage. - In cases of extensive muscle necrosis, **surgical debridement** may be required to remove non-viable tissue and prevent further systemic complications. *Acute haemolytic streptococcal cellulitis* - While initial management is antibiotics, rapidly progressing necrotizing infections (like **necrotizing fasciitis**, a severe form often caused by *Streptococcus pyogenes*) require **extensive surgical debridement** to remove dead tissue and control the spread of infection. - Delayed debridement can lead to systemic toxicity, limb loss, or death, making aggressive surgical intervention crucial. *Progressive synergistic gangrene* - Also known as **Meleney's gangrene**, this rare but severe soft tissue infection requires aggressive and **extensive surgical debridement** of all necrotic tissue. - The combination of aerobic and anaerobic bacteria creates a progressive, destructive lesion that can necessitate amputation if not adequately controlled by debridement.
Question 3: Liver transplant for which of the following conditions will require a duct-to-jejunal anastomosis rather than a duct-to-duct anastomosis?
- A. Alagille syndrome
- B. Liver cirrhosis
- C. Primary biliary cholangitis
- D. Primary sclerosing cholangitis (Correct Answer)
Explanation: ***Primary sclerosing cholangitis*** - **Primary sclerosing cholangitis (PSC)** is characterized by **inflammation and scarring of the bile ducts**, leading to strictures and impaired bile flow. - Due to the widespread nature of the disease and the potential for residual diseased ducts in the recipient, a **duct-to-jejunal anastomosis (Roux-en-Y hepaticojejunostomy)** is preferred to ensure optimal drainage and avoid complications like cholangitis and anastomotic strictures at the native duct. *Alagille syndrome* - **Alagille syndrome** is a genetic disorder causing **bile duct paucity and cholestasis**. - While it affects the bile ducts, the native large bile duct in the recipient is often suitable for a **duct-to-duct anastomosis** without significant risk of recurrent disease-related strictures. *Liver cirrhosis* - **Cirrhosis** from most causes (e.g., viral hepatitis, alcohol) primarily affects the **liver parenchyma**, not the bile ducts directly. - In such cases, the native bile duct is usually healthy, allowing for a straightforward **duct-to-duct anastomosis**. *Primary biliary cholangitis* - **Primary biliary cholangitis (PBC)** is an autoimmune disease primarily affecting the **small intrahepatic bile ducts**. - The larger extrahepatic bile ducts are typically spared and healthy, making a **duct-to-duct anastomosis** the standard and preferred method for bile drainage after transplant.
Question 4: A 30-year-old male undergoes varicocele surgery to correct his left-sided varicocele. Following the procedure, the surgeon explains the postoperative changes to the patient. The patient asks, "Through which route does the venous drainage primarily occur after the surgery?" Which of the following is the correct response by the surgeon?
- A. Cremasteric and deferential veins (Correct Answer)
- B. Penile veins
- C. Ectopic drainage in the iliac fossa
- D. At the usual location
Explanation: ***Cremasteric and deferential veins*** - After varicocele surgery, the **internal spermatic veins** (pampiniform plexus) are ligated or embolized, eliminating the primary drainage route. - Venous drainage then shifts to **collateral pathways**: the **cremasteric veins** (which drain to the inferior epigastric vein) and the **deferential/vasal veins** (which drain to the vesical venous plexus). - These provide adequate alternative venous outflow from the testis, preventing venous congestion post-operatively. - This is a well-established anatomical principle in varicocele surgery. *Penile veins* - Penile veins primarily drain the **penis** itself (corpus cavernosum and spongiosum), not the testis. - They are anatomically distinct from the testicular venous drainage system and do not serve as a collateral route after varicocele repair. *Ectopic drainage in the iliac fossa* - This is not a recognized anatomical pathway for testicular venous drainage. - While cremasteric veins eventually drain to the external iliac system via inferior epigastric veins, referring to this as "ectopic drainage in the iliac fossa" is anatomically imprecise and not standard terminology. *At the usual location* - The usual pre-operative drainage is through the **pampiniform plexus → internal spermatic vein** (left side drains to left renal vein, right side to IVC). - This is the pathway that is **surgically interrupted** during varicocele repair (ligation or embolization). - Post-operatively, drainage cannot occur at this location as these vessels are deliberately occluded.
Question 5: Abbreviated laparotomy done for:
- A. Hemodynamically stable patients with minor trauma
- B. Damage control in hemodynamically unstable trauma patients (Correct Answer)
- C. Elective abdominal surgeries
- D. Early wound healing promotion
Explanation: ***Damage control in hemodynamically unstable trauma patients*** - **Abbreviated laparotomy** is a key component of **damage control surgery**, primarily indicated for hemodynamically unstable trauma patients. - The goal is to rapidly control life-threatening issues like hemorrhage and contamination, then temporarily close the abdomen for physiologic stabilization before definitive repair. *Hemodynamically stable patients with minor trauma* - These patients typically do not require prompt surgical intervention; their injuries can often be managed non-operatively or with standard surgical techniques. - An abbreviated laparotomy is an aggressive approach reserved for severe, life-threatening scenarios, not minor trauma in stable patients. *Elective abdominal surgeries* - Elective surgeries are planned procedures performed on stable patients with no immediate life-threatening conditions. - They allow for complete surgical repair in a single setting, which is the opposite of the staged approach of an abbreviated laparotomy. *Early wound healing promotion* - The focus of an abbreviated laparotomy is on resuscitation and source control, not primarily on wound healing. - The initial closure is temporary, often leaving the wound open, which is not conducive to early, primary wound healing.
Question 6: How will you check the functioning of an ICD tube?
- A. By observing the movement of air water column in the tube during respiration (Correct Answer)
- B. By taking X ray chest repeatedly
- C. By observing for continuous air bubbles coming out of the underwater drain
- D. By auscultation
Explanation: ***By observing the movement of air water column in the tube during respiration*** - The **movement of the water seal** (or air-water column) with respiration is called **tidaling** and confirms the patency of the chest tube and changes in intrathoracic pressure. - Absence of tidaling may indicate an **obstruction in the tube** or complete lung re-expansion. *By taking X ray chest repeatedly* - While X-rays are used to confirm placement and assess lung re-expansion, repeated imaging is not the primary or most frequent method to check the *ongoing functioning* of the ICD tube. - Frequent X-rays expose the patient to **unnecessary radiation** and are not practical for continuous monitoring of tube function. *By observing for continuous air bubbles coming out of the underwater drain* - **Continuous bubbling** in the water seal chamber indicates a persistent **air leak** from the lung or a leak in the chest tube system itself, not normal functioning. - Normal functioning should show intermittent bubbling with coughing or deep breathing, but not continuous bubbling once the initial air is drained. *By auscultation* - **Auscultation** helps assess **breath sounds** over the lung fields, indicating lung re-expansion or presence of pathology. - It does not directly evaluate the **patency or drainage activity** of the ICD tube itself.
Question 7: For open pneumothorax which of the following is management of choice?
- A. IPPV
- B. Wait and watch
- C. Thoracostomy and close the rent
- D. ICD with underwater seal (Correct Answer)
Explanation: ***ICD with underwater seal*** - An **intercostal drain (ICD)** with an **underwater seal** is the definitive management for an open pneumothorax once the initial wound has been covered. - This system allows air to escape the pleural space but prevents its re-entry, helping the lung to re-expand. *Wait and watch.* - This approach is suitable for very small, **stable spontaneous pneumothoraces** when the patient is asymptomatic, which is not the case for an open pneumothorax. - In an open pneumothorax, air continuously enters the pleural space, leading to **tension pneumothorax** and rapid deterioration if not addressed promptly. *Thoracostomy and close the rent* - **Thoracostomy** (creation of a surgical opening into the chest) might be part of the overall management, but simply closing the rent without addressing the underlying pneumothorax, often with a drain, is incomplete. - The immediate priority for an open pneumothorax is to convert it into a **closed pneumothorax** and then drain the air. *IPPV* - **Intermittent positive pressure ventilation (IPPV)** with a high enough pressure can worsen an open pneumothorax by forcing more air into the pleural space if the wound is not sealed. - While mechanical ventilation might be needed for respiratory failure, it's not the primary or sole management for the open pneumothorax itself and can be dangerous without proper sealing and drainage.
Question 8: On the 4th postoperative day of laparotomy a patient presents with bleeding & oozing from the wound. Management is :
- A. Send for USG abdomen
- B. Start treatments for peritonitis
- C. IV fluids
- D. Dressing of wound & observe for dehiscence (Correct Answer)
Explanation: ***Dressing of wound & observe for dehiscence*** - **Bleeding and oozing from the wound** on the 4th postoperative day could indicate early wound dehiscence or a seroma/hematoma. - **Dressing the wound** provides local control, while diligent observation is crucial to detect progressive dehiscence requiring surgical intervention. *Send for USG abdomen* - An **ultrasound (USG) abdomen** would be useful for assessing intra-abdominal collections such as abscesses or hematomas, or to detect an incisional hernia, but not the immediate bleeding and oozing from the wound site itself. - While it might provide additional information, it's not the **first-line management** for local wound issues like bleeding and oozing. *Start treatments for peritonitis* - **Peritonitis** presents with signs of severe abdominal infection, such as fever, generalized abdominal pain, rigidity, and rebound tenderness, which are not described in the patient's presentation of only local wound bleeding and oozing. - Initiating peritonitis treatment without signs of widespread infection would be **inappropriate** and delay appropriate wound care. *IV fluids* - **Intravenous (IV) fluids** are used to manage dehydration, electrolyte imbalances, or hypovolemia, but the patient's primary complaint is localized wound bleeding and oozing, not systemic signs of instability requiring fluid resuscitation at this stage. - While **fluid balance** is always important postoperatively, it is not the specific management for the described wound issue.
Question 9: What is the most appropriate treatment for a patient with a suspected Brodie's abscess?
- A. IV antibiotics only
- B. Curettage and drainage (Correct Answer)
- C. Amputation
- D. Radiotherapy
Explanation: ***Correct: Curettage and drainage*** - **Brodie's abscess** is a subacute or chronic form of osteomyelitis involving a localized collection of pus in the bone - **Surgical intervention** with curettage and drainage is necessary to remove infected tissue and decompress the lesion - This approach directly addresses the localized bone infection, removes necrotic debris, and allows for local antibiotic delivery or culture-guided systemic therapy - Promotes healing and prevents recurrence by eliminating the sequestrum and poorly vascularized tissue *Incorrect: IV antibiotics only* - While antibiotics are crucial for treating osteomyelitis, **IV antibiotics alone** are insufficient for Brodie's abscess - The abscess creates an environment with **poor blood supply** to the central necrotic tissue, limiting antibiotic penetration and efficacy - Surgical debridement is essential to remove the avascular focus and allow antibiotics to work effectively *Incorrect: Amputation* - **Amputation** is an extreme measure reserved for severe, chronic, and uncontrollable osteomyelitis with extensive soft tissue damage or sepsis - Only considered when limb salvage procedures have failed or in cases of life-threatening infection - Not appropriate for a localized Brodie's abscess, which typically responds well to less invasive surgical methods *Incorrect: Radiotherapy* - **Radiotherapy** uses high-energy radiation to treat malignancies - Has **no role** in treating bacterial infections like Brodie's abscess - Would be inappropriate and potentially harmful in this clinical context
Question 10: Which of the following is true about tenosynovitis of the finger?
- A. Treatment is conservative.
- B. Fingers held in mild extension / Extension deformity at the involved fingers.
- C. With involvement of little finger the infection can spread to the ring finger.
- D. Tenosynovitis of little finger will spread to thumb rather than ring finger. (Correct Answer)
Explanation: ***Tenosynovitis of little finger will spread to thumb rather than ring finger.*** - The **little finger's flexor tendon sheath** connects directly to the **ulnar bursa**, which communicates with the **radial bursa** (thumb's sheath) in approximately **80% of individuals** through the space of Parona. - This **bursal communication** creates a direct pathway for infection spread from the little finger to the thumb, making it the most common route of propagation in flexor tenosynovitis. *With involvement of little finger the infection can spread to the ring finger.* - While anatomically possible through **fascial plane connections**, direct spread to the ring finger is **less common** than spread to the thumb via established bursal pathways. - The **ulnar bursa-radial bursa connection** provides a more direct and frequently utilized route for infection propagation than lateral spread to adjacent digits. *Treatment is conservative.* - **Purulent flexor tenosynovitis** requires urgent **surgical incision and drainage** to prevent irreversible tendon damage and loss of function. - Conservative treatment with antibiotics alone is inadequate for established infections and may lead to **tendon necrosis** and permanent disability. *Fingers held in mild extension / Extension deformity at the involved fingers.* - Patients with tenosynovitis characteristically hold the affected finger in **mild flexion** as part of **Kanavel's four cardinal signs**. - **Extension** of the finger causes severe pain due to stretching of the inflamed tendon sheath, so patients avoid this position naturally.
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