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Ординатура / Офтальмология / Учебные материалы / Vitreoretinal Surgery Farenc Kuhn Springer.pdf
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16.13 The Captain in the OR

157

 

 

The table should be close enough for the surgeon to be able to reach out for instruments.

Ideally, the nurse is also able to view the surgery through the microscope.

Anesthesia machine: None of the tubes must be stretched in order to reach to the patient.

Infusion-bottle holder44: Should be fixed to the operating table, not stand on the floor.

Monitor: It should be wall-mounted and be positioned so that the surgeon (and the nurse) can easily view it.45

One possible blueprint of the OR is shown on Fig. 16.8. As mentioned before,

the arrangement has implications, among others, for the use of tools connected to the vitrectomy machine. If, for instance, the cable of the light pipe46 is too close to the surgeon, it can easily get into contact with a non-sterile object or snake into view – it needs to be secured (see Fig. 16.6).

16.13 The Captain in the OR

Especially if paired with an experienced nurse, the inexperienced young fellow tends to accept whatever the nurse is suggesting, even when he knows he should “stand up for his rights” (see Chap. 6). Avoiding a conflict this way brings early benefits but can be detrimental long term: it will be much more difficult to make the OR personnel change their habits and behavior later. Optimally, the surgeon knows what he wants and firmly but politely conveys to the OR personnel that he has a reason for what he is asking and that he expects everybody to oblige.47

Q&A

Q Who should have the final word if there is conflict in the OR?

AThe surgeon. He is the captain of the ship, and he will be held accountable for anything, and everything, that goes wrong during the operation. With that responsibility, certain rights also come.

44May carry the BSS bottle as well as that used by the anesthesiologist but, preferably, the two are on separate poles. If they hang from the same pole, both the anesthesiology and VR personnel must be keenly aware which is which.

45This is crucial for video recording; see Sect. 12.4.

46A rather rigid structure.

47I remember performing live surgery at a foreign institution. The pedals were placed opposite to my preference (see Sect. 16.3). The chief nurse was a strong-willed individual, who had been bossing everybody, including the local VR surgeon, around. When I asked her to switch the pedals around, she refused, telling me in an icy voice that “this is how it’s always been in this OR.” I replied, in a calm but firm voice, that I understand, and as long as it is somebody else operating, it is his business. But now it will be me operating; therefore, the pedals have to be placed the way I prefer it. She obliged and never argued again. (To note, once the local surgeon started operating, her bossing attitude returned.) In that OR, the nurse was the captain.

158

16 The Surgeon at the Operating Table

 

 

AM

I

OT

MI

NBT

NC

AC

NT

MW

VM

SC

Fig. 16.8 Schematic representation of one possible OR blueprint. The surgeon is right-handed; the microscope is floor-mounted. Both the assistant and the nurse are able to view the operation through the microscope. Note that the microscope’s two arms form an angle. See the text for further details. AM anesthesiology machine, I infusion stand, OT operating table, MI operating microscope, NBT nurse’s backup table, NC nurse’s chair, AC assistant’s chair, MW monitor on wall, NT nurse’s table, SC surgeon’s chair, VM vitrectomy machine

It requires delicate political balancing from the surgeon to not alienate the nurse yet insist on his own ideas if he is convinced that his is the better option. Conversely, a surgeon who rejects any idea just because it is coming from “only a nurse” is a fool. He not only deprives himself of a useful advice (and prevents any that may have come in the future) but also alienates someone who should be his best friend (see Chap. 6).

16.14 The Fundamental Technical Rules of Performing Intravitreal Surgery

159

 

 

16.14The Fundamental Technical Rules of Performing Intravitreal Surgery

The surgeon is now ready to start the operation. Without providing more details, which are either unnecessary because the rule speaks for itself, or are provided in various chapters in this book, a brief summary of the most basic technical rules is provided in Table 16.6.

Table 16.6 A brief summary of the most fundamental technical rules in VR surgery

Rule

Comment

When inserting instruments into the

An inexperienced surgeon may aim too anteriorly

vitreous cavity, always aim toward its

(lens injury) or at too shallow an angle (retinal

center

damage)

When inserting instruments into the

Not having gone all the way into the vitreous

vitreous cavity, do not assume that they

cavity with the trocar/cannula is rare, but if it

have indeed penetrated fully through

does occur, it leads to a waste of time as a

the pars plana – visually confirm that

minimum (see Sects. 21.6.1 and 21.6.2), but

they have (see Sect. 21.6)

serious complicationsa can also be caused

When inserting instruments into the

It is not that difficult to go too deep and injure the

vitreous cavity, never go “all the way”

retina, especially if there is bullous detachment

but stop in the midvitreous cavity

 

Never insert a probe into the vitreous if the

Very rarely, the guillotine is stuck – aspiration

probe has not been tested

without cutting causes VR traction

Once you have instruments inside the

It is very difficult to truly pay attention to two

vitreous cavity, never look up from the

different things. If the surgeon pays attention to

microscope – make it a habit to pull

his surroundings, he cannot fully concentrate

out both instruments if you do have to

on the position of his intravitreal instruments

look outside of the microscopeb

 

During most of surgery, it is best to

Do not go too close to the retina with the light pipe

visualize the working instrument but

 

not to be able to see the light pipe

 

Never do anything with an instrument that

Occasionally even the most experienced surgeon

you cannot properly see; if you are

loses sight of the working instrument. The

uncertain of the position of the tool,

angle of the shaft as viewed from the outside is

pull it out and reinsert it

of little help: the tools have no conspicuous

 

external markings; therefore, knowing how

 

deep they are pushed inside is impossible

Never adjust your chair’sc position while

If the chair (or your position) must be adjusted, it

instruments are inside the eye

is preferable to simply withdraw the tools and

 

reinsert them once the adjustment has been

 

made

Never lose your concentration during the

See Sect. 3.7

operation, no matter how “boring” a

 

certain maneuverd may be

 

aE.g., tearing or even detaching the retina.

bThis strict rule may be loosened with time as the surgeon’s experience grows, but if he does look up, he needs to keep the instruments absolutely secured. His hands/fingers must remain in a fixed position and not make even the slightest move. Remember, even if the tip of the tool is kept truly in the center of the vitreous cavity, it is still only some 10 mm from the retina.

cUnless it is electrically controlled, and even then only after some precautions (see above).

dSuch as delivering 1,200 laser spots after the truly difficult part of the surgery has been successfully completed.

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16 The Surgeon at the Operating Table

 

 

Q&A

QDoes the VR surgeon have to go through all the steps listed in this chapter every time he operates?

ASome always (e.g., adjusting his posture or the head of the operating table), others only if something has been changed (e.g., the previously set brightness or temperature of the OR was altered). The important thing is to carefully consider all the items listed and make conscious decisions about them as the actual situation requires.

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