# Situation: A 46-year-old woman with obesity is admitted with acute cholangitis caused by a stone in the common bile duct. She has fever with chills, jaundice, and right upper quadrant (RUQ) pain. Her blood pressure is 112/70 mmHg, and she is alert and oriented. She has no drug allergies. Two days later she has a laparoscopic cholecystectomy. That evening she reports an aching pain in her right shoulder. Her vital signs are stable, the port sites are dry, and her abdomen is soft. What should the nurse do?

> source: MyMerci (mymerci.kr)  
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> subject: Nursing Practice IV — Care of Clients with Problems in Nutrition and Gastrointestinal, Metabolism and Endocrine, Perception and Coordination

## 문제

Situation: A 46-year-old woman with obesity is admitted with acute cholangitis caused by a stone in the common bile duct. She has fever with chills, jaundice, and right upper quadrant (RUQ) pain. Her blood pressure is 112/70 mmHg, and she is alert and oriented. She has no drug allergies.

Two days later she has a laparoscopic cholecystectomy. That evening she reports an aching pain in her right shoulder. Her vital signs are stable, the port sites are dry, and her abdomen is soft. What should the nurse do?

## 보기

1. Help her walk in the hallway **✔ 정답**
2. Apply an ice pack to the right shoulder
3. Obtain a 12-lead electrocardiogram
4. Report a possible bile leak to the surgeon

**정답: 1**

## 해설

Right shoulder pain after laparoscopic surgery is usually referred pain from carbon dioxide gas irritating the diaphragm. Early ambulation helps the gas absorb, and heat may be applied per protocol. With stable vital signs and a soft abdomen, there is no sign of a complication.

## 심화 해설

Understanding the symptom

Right shoulder pain after laparoscopic cholecystectomy is a classic example of referred pain. During laparoscopy, carbon dioxide (CO₂) is insufflated into the peritoneal cavity to create a working space. After surgery, residual CO₂ migrates upward and irritates the diaphragm, which shares sensory innervation with the shoulder via the phrenic nerve (C3–C5). The brain interprets this diaphragmatic irritation as pain in the shoulder tip. This mechanism explains why the pain is felt in the right shoulder even though the surgical site is in the abdomen.

The key clinical clue is that the patient’s vital signs are stable, the port sites are dry, and the abdomen is soft. These findings point away from surgical complications such as bile leak, hemorrhage, or peritonitis. A bile leak would typically present with worsening abdominal pain, peritoneal signs, fever, or hemodynamic changes — none of which are present here.

Why early ambulation is the correct intervention

Early ambulation promotes absorption of residual intraperitoneal CO₂ by increasing circulation and respiratory excursion, which accelerates resolution of referred shoulder pain. Movement also encourages diaphragmatic movement, helping to disperse the gas pocket that is irritating the diaphragm. This is a low-risk, non-pharmacologic intervention that directly targets the underlying mechanism of the pain.

The evidence supports active, non-pharmacologic strategies for managing post-laparoscopic shoulder pain. One randomized controlled trial found that a pulmonary recruitment maneuver — repeated manual pulmonary inflations — reduced post-laparoscopic shoulder pain by mechanically forcing residual CO₂ out of the peritoneal cavity [2]. Similarly, incentive spirometry was shown to alleviate shoulder tip pain after laparoscopic cholecystectomy by promoting deep breathing and gas reabsorption [3]. A separate RCT demonstrated that breathing and coughing exercises, with or without supplemental oxygen, reduced shoulder pain and analgesic consumption [4]. These interventions share a common principle: enhancing respiratory movement and gas exchange helps clear the residual CO₂ that causes diaphragmatic irritation. Early ambulation works through the same physiologic pathway.

| Intervention | Mechanism for relieving shoulder pain | Evidence level |
| --- | --- | --- |
| Early ambulation | Increases circulation and diaphragmatic movement, promoting CO₂ absorption | Standard postoperative care |
| Pulmonary recruitment maneuver | Forces residual CO₂ out through positive-pressure breaths | RCT [2] |
| Incentive spirometry | Deep sustained inspiration accelerates gas reabsorption | RCT [3] |
| Breathing and coughing exercises | Improves ventilation and CO₂ clearance | RCT [4] |

Why the other options are incorrect

Applying an ice pack to the shoulder (option 2) addresses the symptom locally but does not treat the underlying cause, which is diaphragmatic irritation from residual CO₂. Cold therapy may provide temporary comfort, but it does not accelerate gas absorption. Heat, rather than ice, is sometimes used per protocol because it promotes vasodilation and comfort, but the primary intervention remains ambulation.

Obtaining a 12-lead ECG (option 3) is not indicated. Although shoulder pain can occasionally be a referred symptom of cardiac ischemia, this patient is a 46-year-old woman with no reported cardiac risk factors other than obesity, and her pain began immediately after laparoscopic surgery with a clear mechanical explanation. Her vital signs are stable, and the clinical context strongly favors a benign postoperative cause.

Reporting a possible bile leak (option 4) is unnecessary. Watch out! Bile leak after cholecystectomy presents with increasing abdominal pain, peritoneal irritation, fever, or bilious drainage from the port site — not isolated right shoulder pain with a soft abdomen and dry incisions. The absence of these findings makes a bile leak unlikely.

Nursing priority and safety reasoning

The nursing priority here is comfort management through non-pharmacologic intervention while monitoring for complications. Helping the patient walk is safe because she is hemodynamically stable, alert, and oriented, and her surgical sites are intact. Ambulation also reduces the risk of postoperative complications such as atelectasis, venous thromboembolism, and ileus, making it a multifaceted intervention.

Key point! Post-laparoscopic shoulder pain is an expected, self-limiting finding caused by residual CO₂, not a surgical emergency. The nurse should differentiate this benign referred pain from complications by assessing vital signs, abdominal examination, and incision sites — all of which are reassuring in this scenario.References (research sources)

- [2]The influence of the pulmonary recruitment maneuver on post-laparoscopic shoulder pain in patients having a laparoscopic cholecystectomy: a randomized controlled trial.RCT/clinical trialSamarah BM, Shehada FA, Qaddumi J, Almasry NA, Alhroub N, ALBashtawy B (2023) · DOI: 10.1007/s00464-023-10450-x

- [3]The Impact of Incentive Spirometry on Shoulder Tip Pain in Laparoscopic Cholecystectomy: A Randomized Clinical Trial.RCT/clinical trialSaremirad M, Yazdimoghaddam H, Dalili A, Rastaghi S (2021) · DOI: 10.1097/SLE.0000000000001012

- [4]The Effect of Breathing and Coughing Exercises and Oxygen Therapy on Shoulder Pain and Analgesic Consumption After Laparoscopic Cholecystectomy: A Randomized Controlled Study.RCT/clinical trialArtıklar T, Erden S (2024) · DOI: 10.1016/j.jopan.2023.10.008

## 임상 시나리오

Post-Laparoscopic Shoulder Pain ManagementReferred CO2 irritation of the diaphragm
Right shoulder pain after laparoscopic surgery is referred pain from residual CO2 gas irritating the diaphragm, which shares sensory innervation with the shoulder via the phrenic nerve (C3–C5).

The first-line intervention is early ambulation, which promotes gas absorption by increasing circulation and respiratory excursion. Heat may be applied per protocol as an adjunct.

CautionBefore treating as benign, confirm stable vital signs, a soft abdomen, and dry port sites. Worsening abdominal pain, peritoneal signs, fever, or hemodynamic changes suggest a bile leak or other complication requiring immediate surgeon notification.

## 핵심 개념

- **Referred pain** — Pain felt at a site distant from the source of irritation, such as shoulder pain from diaphragmatic irritation sharing the phrenic nerve (C3-C5) pathway.
- **Pneumoperitoneum** — Presence of gas (CO2) in the peritoneal cavity, used during laparoscopy to create working space; residual gas postoperatively can irritate the diaphragm.
- **Early ambulation** — Encouraging the patient to walk soon after surgery to promote circulation, respiratory excursion, and absorption of residual intraperitoneal gas.
- **Bile leak** — A potential complication after cholecystectomy, typically presenting with worsening abdominal pain, peritoneal signs, fever, or hemodynamic instability.

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