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Treatment without general anaesthetic?

User
Posted 21 Apr 2023 at 13:13

Yes thanks Lyn as I wouldn't have guessed it was that way round ( as to the layman, open RP sounds like a bigger op than keyhole.)

Thanks also Microcolei, and further info is as follows.  'Intermediate' risk was what I was told,  based I gather on analysis of those 4 positive cores in the one side lobe of my prostate. Overall size of prostate is about 50cc which I think counts as big-ish but not enormous.  I'm told I have a large median lobe, not cancerous but it might have something to do with the urinary symptoms I get.  Hesitancy/occasional difficulty starting to urinate; slight after-dribble; having to get up to wee 3 or 4 times a night.  The last symptom, unlike the first, has not been helped at all by tamsulosin.  However  I do tend to drink more fluid than most people, especially decaf coffee/tea, weak and in large mugs as a 'long drink'.  

I had a fairly detailed consultation with one of the present hospital's consultant oncologists a few months ago. He wasn't against brachy at all but said that if I chose it they'd need to refer me on to Mount Vernon.  His offer was EBRT preceded & followed by a few months of HT.   In the equivalent conversation with his urologist colleague, the main offer was RP.  I asked about focal therapy and was told that my cancer (being so localised)  was suitable  but the size and shape of my prostate might be a practical difficulty for HIFU.  However when the proposition was put to the actual focal team they were content to proceed............until the anaesthesia problem arose. 

As you rightly point out there are other things, not just focal HIFU, which are ruled out if my current care team can't find a workaround for the anaesthesia issue.  

Another point is the risk of urine retention problems from swelling/inflammation of irradiated prostate tissue. This is another motive for trying to keep the radiation (or for that matter the high frequency ultrasound or cryo or electro or whatever) focused within the cancerous lobe if possible. 

User
Posted 21 Apr 2023 at 15:29
EBRT may be a better option than brachy if you have existing retention issues
"Life can only be understood backwards; but it must be lived forwards." Soren Kierkegaard

User
Posted 21 Apr 2023 at 15:36

Yes thanks Lyn as I wouldn't have guessed it was that way round ( as to the layman, open RP sounds like a bigger op than keyhole.)

Open RP is a bigger op with a longer recovery period and possibly a couple of extra nights in hospital. However, open is kinder to the heart. For keyhole surgery, the patient is tipped head down for a number of hours which a) puts huge pressure on the heart and b) would be impossible if the patient was awake. In open surgery, the patient is just flat on the operating table so a better option for men with heart conditions.

Edited by member 21 Apr 2023 at 15:37  | Reason: Not specified

"Life can only be understood backwards; but it must be lived forwards." Soren Kierkegaard

User
Posted 21 Apr 2023 at 23:29

Excellent post o d. That gives a much wider view of where you stand.

In regard to this:

Originally Posted by: Online Community Member
Another point is the risk of urine retention problems from swelling/inflammation of irradiated prostate tissue.

Do you have any specific reasons to have worries on that concern? Your hesitancy and visits to the toilet overnight are not unusual in your situation. I haven't seen any figures on how frequent and serious inflammation issues are for men having RT but I can certainly say that for me [age 76] it wasn't an issue, though a sample of one is fairly meaningless.

Jules

User
Posted 21 Apr 2023 at 23:40

Given that brachytherapy can be done with a spinal block (indeed, that's the default at Mount Vernon since COVID), I don't see why HIFU can't. It may be the team has simply never done it that way.

User
Posted 22 Apr 2023 at 17:51

The (NHS) surgeon who would have done the HIFU told me that unlike some surgery (such as birth by C section) a HIFU requires such fine precision (for ?hours on end) that it wouldn't be done under regional/spinal/epidural anaesthesia. He said this was because of the possibility of slight movement.  

Picking up Andy62's hint that what the urologist really meant was "the way we do it here is under general anaesthetic only" :   I have seen some publicity material for private HIFU at other hospitals claiming they use regional rather than general anaesthesia, at least in some cases.  I'm trying to find out who, where and charging how much.  But as this may well be a blind alley, I'm also looking into  EBRT or brachytherapy.

 Though I'd still prefer HIFU with my current team if they can find some other workaround for my anaesthesia problems. 

Urine retention - I have had not-quite-complete but painful urine retention issues previously, in circumstances too complicated to explain fully here but they include after anaesthesia in the past, for unrelated surgery years ago before my present problem developed.

Meanwhile I note Lyn telling us what nobody else has told us about what happens during anaesthesia for RP!  

 

 

 

 

User
Posted 24 Apr 2023 at 08:44

Do you think the short course, 5 day, SBRT might work for you?

Australian report

UCLA report

I know there's people on this forum who've had short RT treatment though I don't know if it's SBRT or how available it might be.

Jules

User
Posted 24 Apr 2023 at 19:16

Yes I guess the stereotactic option might work for me but NHS guidance published in 2016 implies it's not available in the UK, at least not with the NHS.   https://www.england.nhs.uk/wp-content/.16013/P                              And anything involving nuclear medicine would presumably cost a fortune privately.  (Any information to the contrary gladly received.)

The NHS 'clinical commissioning policy' usefully explains that the shortness of this kind of RT results from targeting a tumour with radiation beams from different angles AT THE SAME TIME.   As opposed to an emitter  rotating around the person and firing at his prostate from different angles one at a time.   The latter implying a month or two of RT daily except for weekends. 

The title of the NHS document says Stereotactic Ablative Radiotherapy SABR but the detailed text uses both this term and the American version Stereotactic Body Radiotherapy SABR.   I assume the UCLA (and Australian) references do indeed refer to the same thing although it isn't made entirely clear. 

Both SABR and EBRT versions of RT imply the prostate gets radiation which has been attenuated by passing through other tissue first.  Albeit the prostate gets some radiation from every direction, whereas the other tissues get the radiation from only some directions. 

On that logic I still might prefer brachytherapy, under which non-prostate tissue gets only the radiation that has been attenuated by passing through prostate tissue.  But I remain open to information and persuasion on this and any points. 

 

Edited by moderator 06 Jul 2023 at 14:19  | Reason: Not specified

User
Posted 25 Apr 2023 at 02:06

Originally Posted by: Online Community Member
The NHS 'clinical commissioning policy' usefully explains that the shortness of this kind of RT results from targeting a tumour with radiation beams from different angles AT THE SAME TIME. As opposed to an emitter rotating around the person and firing at his prostate from different angles one at a time. The latter implying a month or two of RT daily except for weekends. The title of the NHS document says Stereotactic Ablative Radiotherapy SABR but the detailed text uses both this term and the American version Stereotactic Body Radiotherapy SABR. I assume the UCLA (and Australian) references do indeed refer to the same thing although it isn't made entirely clear.

The international differences are beyond my comprehension and I'm unable to read the UK link you posted. I'm pretty sure that the Varian device used in the stereotactic RT referred to in the reference I posted does the 360 degree rotation thing. Unfortunately the ABC report I posted was short on critical the sort of critical detail that matters when you're deciding what sort of treatment might be best.

Jules

User
Posted 26 Apr 2023 at 15:10

Hi Lyn. I have just read your comments on Open Surgery being ‘kinder to the heart’ than keyhole. This interested me because I suffer from AF and as such asked the question of my surgeon if this might cause complications. His reply was that other than the usual complications associated with surgery I would just need to stop taking the blood thinners for a few days. No mention of body positioning.

I would be grateful if you could provide me with the source from which you gleaned this information so that I might check it out and so ask the question at my next meeting. Thanks in advance.

Alf

User
Posted 26 Apr 2023 at 16:43

There is an alternative that has not been mentioned which might be an option for you. You are right that EBRT deposits some of it's radiation on the way to the tumour and indeed past it. However, Proton Beam though being fired through the body at different angles deposits very little dose on the way to the tumour on which it unloads and virtually nothing after because the tumor is in the 'Bragg Peak'. The Christie at Manchester and UCLH in London each have a Cyclotron with which they have the capability to treat with Proton Beam but may wish to reserve it's use for other cancers where it's use has greater benefit. (There is some conflicting information as to how well it compares with EBRT for PCa but is generally thought not to be more successful). There was a facility that administered Proton Beam in Wales but I think this has now closed. It is available in Prague although somebody reported a bad experience there. Longer established facilities are in the USA but eye wateringly expensive. There are several centres in Germany. I believe one of our members had this in Munich. See graph curve for Protons and Photons .......  https://physics.stackexchange.com/questions/169665/dose-depth-curve-of-photons-vs-protons

 

Edited by member 26 Apr 2023 at 16:48  | Reason: to highlight link

Barry
User
Posted 26 Apr 2023 at 18:32

Proton beam prostate treatment is fired in from just two angles, and that's horizontally through each hip. As such, it's a bit like the old IMRT treatment, although that was usually 3-5 beam angles.

I don't believe it's available at all in the UK, except possibly as part of a trial. The private Rutherford Cancer Centres in Wales, Reading, and somewhere up north all went bust.

User
Posted 27 Apr 2023 at 00:23
A 2 angle approach for Proton to the Prostate seems to be the norm although 3 and 4 angles has been tried. This is not the problem that it would be with EBRT where much more of the dose is deposited before and after the tumour. Certainly the Carbon Ion boost that was part of my RT was a two angle one and as with Protons is a Hadron Therapy, although a much more powerful one. It was the Rutherford Centre in Wales I was thinking of as I read all Rutherford Proton centres were closing and has since happened.

Mark Emberton mentioned in passing in one of his talks that at UCLH they were able to use their cyclotron to treat PCa. He did not say to what extent it's being used for PCa. I don't know what the attitude of the Christie is in this respect. Apart from possibly these facilities, I think it would be necessary that anybody wanting Proton Beam therapy would need to have it outside the UK, most probably privately, unless they can find and be accepted into a trial.

I am not recommending Proton Beam, I don't recommend any particular form of treatment. I only mention it as the OP was asking about what other possibilities there were that avoided GA.

Barry
User
Posted 27 Apr 2023 at 00:48

Originally Posted by: Online Community Member
I would be grateful if you could provide me with the source from which you gleaned this information so that I might check it out and so ask the question at my next meeting. Thanks in advance.

There isn't a source - that is just how it is done. Once the patient is asleep, the operating table is tilted a bit so that your head is lower than your feet - gravity pulls the bladder & other organs away from the prostate to create some space to operate in. The abdominal cavity is also filled with gas to create more space. 

I assume that being tipped head down for a few hours is only a problem for men with serious heart problems - there are a number of men on here with AF who had LRP.  

 

Edited - sources:

https://www.google.com/search?q=keyhole+radical+prostatectomy+head+tipped+down&rlz=1C1PRFI_enGB894GB894&sxsrf=APwXEde2S1fHzF1VjCMK5YfJt8OiYRZGEw:1682548911039&source=lnms&sa=X&ved=2ahUKEwiEo6ORz8j-AhXMEcAKHXFPARYQ_AUoAHoECBAQAg&biw=1920&bih=937&dpr=1

Edited by member 27 Apr 2023 at 00:50  | Reason: To add further info and hyperlink

"Life can only be understood backwards; but it must be lived forwards." Soren Kierkegaard

User
Posted 27 Apr 2023 at 17:27

Originally Posted by: Online Community Member
Once the patient is asleep, the operating table is tilted a bit so that your head is lower than your feet - gravity pulls the bladder & other organs away from the prostate to create some space to operate in. The abdominal cavity is also filled with gas to create more space.
I assume that being tipped head down for a few hours is only a problem for men with serious heart problems - there are a number of men on here with AF who had LRP.

Pressurising the abdominal cavity cavity is also to reduce bleeding, and the amount of blood loss and the need for transfusions is very much lower than it was with open prostatectomy, where that was quite an issue. Also, less bleeding gives the surgeon a better view of what they're doing.

Tilting your head down for hours generates a risk of stroke, and they may have no idea that's happened until well after you've come around. So someone with a higher risk of stroke anyway would not normally be a candidate.

Edited by member 27 Apr 2023 at 17:30  | Reason: Not specified

 
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